1. He is looking forward to ______ (receive) a letter from his pen pal.
答案：receiving
考点：非谓语动词（固定搭配）。“look forward to”中“to”是介词，后接动名词（doing）。
2. It is necessary for us ______ (learn) English well in the modern society.
答案：to learn
考点：非谓语动词（固定句型）。“It is + 形容词 + for sb. to do sth.”，it作形式主语，真正主语是不定式（to do）。
3. The girl ______ (wear) a red dress is my younger sister.
答案：wearing
考点：非谓语动词（现在分词作定语）。“wear”与逻辑主语“the girl”是主动关系，用现在分词表“正在穿”的状态。
4. By the time we arrived at the station, the train ______ (leave).
答案：had left
考点：时态（过去完成时）。“by the time + 过去时从句”，主句用过去完成时（had done），表“过去的过去”。
5. This is the house ______ my grandfather lived ten years ago.
答案：where
考点：定语从句。先行词“the house”在从句中作地点状语，用关系副词where（= in which）。
6. His suggestion ______ we should hold a meeting tomorrow is reasonable.
答案：that
考点：同位语从句。“suggestion”后接同位语从句，解释内容，用that引导（不可省略）。
7. Many trees ______ (plant) in our school last spring.
答案：were planted
考点：语态（一般过去时的被动）。“trees”与“plant”是被动关系，时间状语“last spring”用一般过去时，主语复数，故用were planted。
8. I don’t know if he ______ (come) tomorrow. If he comes, I will tell you.
答案：will come
考点：时态（宾语从句 vs 条件句）。前半句“if”表“是否”，引导宾语从句，“tomorrow”用一般将来时；后半句“if”表“如果”，用“主将从现”。
9. The more you practice, the ______ (good) your English will be.
答案：better
考点：形容词比较级（固定结构）。“the + 比较级，the + 比较级”表“越……越……”，good的比较级是better。
10. It’s kind of you ______ (help) me with my homework.
答案：to help
考点：非谓语动词（固定句型）。“It is + 形容词 + of sb. to do sth.”，形容词描述人的品质时，用of，后接不定式。
11. She asked me what I ______ (do) at 8 o’clock last night.
答案：was doing
考点：时态（过去进行时）。“at 8 o’clock last night”是过去具体时间点，表“当时正在做”，用过去进行时（was/were doing），主语I用was。
12. The film ______ we saw last night was very interesting.
答案：that/which
考点：定语从句。先行词“the film”在从句中作宾语，可用关系代词that/which（可省略）。
13. He has worked in this company since he ______ (graduate) from college.
答案：graduated
考点：时态（since引导的从句）。“since”后接一般过去时从句，主句用现在完成时，graduate的过去式是graduated。
14. ______ (study) hard, and you will make great progress.
答案：Study
考点：祈使句。“祈使句 + and + 陈述句”结构，祈使句以动词原形开头。
15. The problem is too difficult for me ______ (solve).
答案：to solve
考点：非谓语动词（固定结构）。“too + 形容词 + for sb. to do sth.”表“太……以至于不能……”，用不定式。
16. My mother told me that light ______ (travel) faster than sound.
答案：travels
考点：时态（宾语从句中的客观真理）。宾语从句表客观真理时，用一般现在时，不受主句过去时影响；light是不可数名词，谓语用第三人称单数travels。
17. A new school ______ (build) in our neighborhood next year.
答案：will be built
考点：语态（一般将来时的被动）。“next year”用一般将来时，“school”与“build”是被动关系，故用will be built。
18. ______ (be) there any water in the bottle?
答案：Is
考点：主谓一致。“water”是不可数名词，be动词用is；句首首字母大写。
19. He speaks English as ______ (fluent) as his English teacher.
答案：fluently
考点：副词原级。“as + 副词原级 + as”修饰动词“speaks”，fluent的副词是fluently。
20. I wish I ______ (can) fly like a bird.
答案：could
考点：虚拟语气（wish从句）。wish表“难以实现的愿望”，从句用过去式，can的过去式是could。
21. The man ______ is talking to our headmaster is my father.
答案：who/that
考点：定语从句。先行词“the man”在从句中作主语，用关系代词who/that（不可省略）。
22. By the end of this year, we ______ (complete) the project.
答案：will have completed
考点：时态（将来完成时）。“by the end of this year”表“到今年年底（将来时间）”，用将来完成时（will have done）。
23. It is reported that the temperature ______ (drop) by 5℃ tomorrow.
答案：will drop
考点：时态（宾语从句）。“tomorrow”表将来，宾语从句用一般将来时（will do）。
24. She spent two hours ______ (read) the novel yesterday.
答案：reading
考点：非谓语动词（固定搭配）。“spend + 时间 + (in) doing sth.”，in可省略，后接动名词。
25. The reason ______ he was late is that he missed the early bus.
答案：why
考点：定语从句。先行词“the reason”在从句中作原因状语，用关系副词why（= for which）。
26. ______ (not play) computer games too much, or it will harm your eyes.
答案：Don’t play
考点：祈使句的否定式。祈使句否定以“Don’t + 动词原形”开头。
27. This is one of the most interesting books ______ I have ever read.
答案：that
考点：定语从句。先行词被“one of the most”最高级修饰，关系代词只能用that（不可省略）。
28. He suggested ______ (go) to the park for a picnic this weekend.
答案：going
考点：非谓语动词（固定搭配）。“suggest”表“建议”时，后接动名词（doing），不接不定式。
29. The little boy is afraid of ______ (be) alone at home.
答案：being
考点：非谓语动词（固定搭配）。“be afraid of”中“of”是介词，后接动名词（being）。
30. If I ______ (be) you, I would take the chance.
答案：were
考点：虚拟语气（非真实条件句）。表与现在事实相反，从句用“if + 主语 + were/过去式”，主语I用were（不用was）。
31. The meeting ______ (hold) next Monday will be very important.
答案：to be held
考点：非谓语动词（不定式作定语）。“meeting”与“hold”是被动关系，“next Monday”表将来，用“to be + 过去分词”表“将要被举行”。
32. I don’t remember ______ (meet) him before.
答案：meeting
考点：非谓语动词（remember的用法）。“remember doing sth.”表“记得做过某事”；“remember to do”表“记得要做某事”，结合“before”用meeting。
33. The number of people who speak Chinese ______ (be) very large.
答案：is
考点：主谓一致。“the number of + 复数名词”表“……的数量”，作主语时谓语用单数；“a number of”表“许多”，谓语用复数。
34. He told me that he ______ (visit) Beijing the next month.
答案：would visit
考点：时态（宾语从句的时态一致）。主句“told”是过去时，从句“next month”表“过去的将来”，用过去将来时（would do）。
35. ______ (give) more time, we could have finished the work better.
答案：Given
考点：非谓语动词（过去分词作状语）。逻辑主语“we”与“give”是被动关系（“我们被给更多时间”），用过去分词Given开头作状语。
36. It is strange that he ______ (arrive) so late today.
答案：should arrive
考点：虚拟语气（主语从句）。“It is
strange/important/necessary + that从句”，从句用“(should) + 动词原形”，should可省略。
37. The book ______ cover is red is mine.
答案：whose
考点：定语从句。先行词“the book”与“cover”是所属关系（“书的封面”），用关系代词whose（= of which the cover）。
38. We ______ (have) dinner when the telephone rang.
答案：were having
考点：时态（过去进行时+when）。“rang”是过去瞬间动作，主句表“当时正在做的事”，用过去进行时（were having），主语we用were。
39. He is so lazy that he never ______ (help) his mother with housework.
答案：helps
考点：时态（一般现在时）。“never”表习惯性动作，用一般现在时；主语he是第三人称单数，help加s。
40. It is high time that we ______ (take) action to protect the environment.
答案：took/should take
考点：虚拟语气（It is high time that从句）。从句用“过去式”或“should + 动词原形”，should不可省略。
41. The story ______ (tell) by the old man made all of us laugh.
答案：told
考点：非谓语动词（过去分词作定语）。“story”与“tell”是被动关系（“被讲述的故事”），用过去分词told作后置定语。
42. I wonder if you ______ (mind) my opening the window.
答案：mind
考点：时态（一般现在时）。“wonder”表现在的疑问，从句用一般现在时；主语you用原形mind。
43. By the time he was 10, he ______ (learn) to play the piano.
答案：had learned
考点：时态（过去完成时）。“by the time + 过去时从句（was 10）”，主句用过去完成时（had done），表“到10岁时已学会”。
44. ______ (luck), he passed the exam successfully.
答案：Luckily
考点：副词（词性转换）。修饰整个句子“passed the exam”，用副词Luckily（形容词lucky的副词形式），句首首字母大写。
45. The girl with ______ I went shopping yesterday is my classmate.
答案：whom
考点：定语从句（介词+关系代词）。先行词“the girl”在从句中作“with”的宾语，指人，用whom（不可用who/that）。
46. He would rather ______ (stay) at home than go out on rainy days.
答案：stay
考点：非谓语动词（固定搭配）。“would rather do sth. than do sth.”表“宁愿做……而不愿做……”，后接动词原形。
47. A lot of money ______ (spend) on books by him every year.
答案：is spent
考点：语态（一般现在时的被动）。“money”与“spend”是被动关系，“every year”用一般现在时，money不可数，用is spent。
48. ______ (know) basic English is necessary for most jobs.
答案：Knowing
考点：非谓语动词（动名词作主语）。句子缺少主语，用动名词Knowing（= To know，不定式也可，但动名词更常用）。
49. She asked me ______ I could help her with her math.
答案：if/whether
考点：宾语从句。从句表“是否能帮忙”，用if或whether引导，二者可互换（句末或有or not时用whether）。
50. The harder you work, the ______ (much) progress you will make.
答案：more
考点：形容词比较级（固定结构）。“the + 比较级，the + 比较级”，much的比较级是more。
51. The building ______ (build) now will be a hospital.
答案：being built
考点：非谓语动词（现在分词的被动式作定语）。“building”与“build”是被动关系，“now”表“正在被建”，用“being + 过去分词”。
52. I have no idea ______ he will come or not.
答案：whether
考点：宾语从句。“or not”与whether连用（“whether…or not”），if不能与or not直接连用。
53. They ______ (work) in this factory for ten years.
答案：have worked
考点：时态（现在完成时）。“for ten years”表从过去持续到现在的时间段，用现在完成时（have/has done），主语they用have。
54. ______ it rains tomorrow, we will stay at home.
答案：If
考点：条件状语从句。表“如果明天下雨”，用if引导条件句，“主将从现”；句首首字母大写。
55. The teacher told us that the earth ______ (go) around the sun.
答案：goes
考点：时态（宾语从句中的客观真理）。客观真理用一般现在时，不受主句过去时“told”影响；earth是单数，go加es。
56. He is used to ______ (get) up early in the morning.
答案：getting
考点：非谓语动词（be used to的用法）。“be used to doing sth.”表“习惯于做某事”；“used to do”表“过去常常做某事”，结合“is”用getting。
57. The book is worth ______ (read) again.
答案：reading
考点：非谓语动词（固定搭配）。“be worth doing sth.”表“值得做某事”，用主动形式表被动含义。
58. The girl ______ father is a doctor wants to be a nurse.
答案：whose
考点：定语从句。先行词“the girl”与“father”是所属关系（“女孩的父亲”），用关系代词whose。
59. We ______ (finish) the work by 6 o’clock this afternoon.
答案：will have finished
考点：时态（将来完成时）。“by 6 o’clock this afternoon”表“到今天下午6点（将来时间）”，用将来完成时（will have done）。
60. It is important that we ______ (keep) quiet in the library.
答案：(should) keep
考点：虚拟语气（主语从句）。“It is important + that从句”，从句用“(should) + 动词原形”，should可省略。
61. ______ (not be) late for class again, or the teacher will be angry.
答案：Don’t be
考点：祈使句的否定式。“be late”是系表结构，否定祈使句用“Don’t + be”。
62. The man ______ we met yesterday is a famous writer.
答案：whom/who/that
考点：定语从句。先行词“the man”在从句中作宾语，指人，可用whom/who/that（可省略）。
63. By next year, he ______ (live) in this city for 20 years.
答案：will have lived
考点：时态（将来完成时）。“by next year”表“到明年（将来时间）”，用将来完成时（will have done），表持续20年。
64. She is interested in ______ (collect) stamps.
答案：collecting
考点：非谓语动词（固定搭配）。“be interested in”中“in”是介词，后接动名词（collecting）。
65. The reason ______ he gave for being late was not true.
答案：that/which
考点：定语从句。先行词“the reason”在从句中作“gave”的宾语（“他给出的理由”），用关系代词that/which（可省略）；若作状语则用why。
66. If I ______ (know) the answer, I would tell you.
答案：knew
考点：虚拟语气（非真实条件句）。表与现在事实相反，从句用“if + 主语 + 过去式”，know的过去式是knew。
67. Many students ______ (invite) to the party last night.
答案：were invited
考点：语态（一般过去时的被动）。“students”与“invite”是被动关系，“last night”用一般过去时，主语复数用were invited。
68. ______ (walk) along the street, I met an old friend of mine.
答案：Walking
考点：非谓语动词（现在分词作状语）。逻辑主语“I”与“walk”是主动关系（“我走路时”），用现在分词Walking开头作伴随状语。
69. He speaks English ______ (well) than his brother.
答案：better
考点：副词比较级。“than”是比较级标志，well的比较级是better（不规则变化）。
70. I hope ______ (see) you soon.
答案：to see
考点：非谓语动词（hope的用法）。“hope to do sth.”表“希望做某事”，hope后不接“sb. to do”，只能接不定式或从句。
71. The little boy ______ (cry) because he couldn’t find his mother.
答案：was crying
考点：时态（过去进行时）。“couldn’t find”是过去时，表“当时正在哭”，用过去进行时（was crying），主语boy用was。
72. The film ______ we are going to see tonight is a comedy.
答案：that/which
考点：定语从句。先行词“the film”在从句中作“see”的宾语，用关系代词that/which（可省略）。
73. He has been ill since he ______ (come) back from abroad.
答案：came
考点：时态（since引导的从句）。“since”后接一般过去时从句，主句用现在完成时（has been ill），come的过去式是came。
74. ______ (not smoke) in public places, it’s against the rules.
答案：Don’t smoke
考点：祈使句的否定式。祈使句否定以“Don’t + 动词原形”开头，表禁止。
75. The problem ______ (discuss) at the meeting now is very serious.
答案：being discussed
考点：非谓语动词（现在分词的被动式作定语）。“problem”与“discuss”是被动关系，“now”表“正在被讨论”，用“being + 过去分词”。
76. My father told me that practice ______ (make) perfect.
答案：makes
考点：时态（宾语从句中的谚语/真理）。“practice makes perfect”是谚语，表客观真理，用一般现在时；practice是不可数名词，谓语用单数。
77. A new bridge ______ (build) over the river now.
答案：is being built
考点：语态（现在进行时的被动）。“now”用现在进行时，“bridge”与“build”是被动关系，用“is being + 过去分词”。
78. ______ there any books on the desk?
答案：Are
考点：主谓一致。“books”是复数名词，be动词用are；句首首字母大写。
79. She sings as ______ (beautiful) as a professional singer.
答案：beautifully
考点：副词原级。“as + 副词原级 + as”修饰动词“sings”，beautiful的副词是beautifully。
80. I wish I ______ (know) the truth yesterday.
答案：had known
考点：虚拟语气（wish从句）。“yesterday”表与过去事实相反，从句用“had + 过去分词”，know的过去分词是known。
81. The woman ______ is wearing a blue coat is my aunt.
答案：who/that
考点：定语从句。先行词“the woman”在从句中作主语，用关系代词who/that（不可省略）。
82. By the end of last month, they ______ (finish) the work.
答案：had finished
考点：时态（过去完成时）。“by the end of last month”表“到上个月月底（过去时间）”，用过去完成时（had done）。
83. It is said that a new film ______ (show) at the cinema next week.
答案：will be shown
考点：语态（一般将来时的被动）。“next week”用一般将来时，“film”与“show”是被动关系（“被放映”），用will be shown。
84. He spent three days ______ (finish) the report.
答案：finishing
考点：非谓语动词（固定搭配）。“spend + 时间 + (in) doing sth.”，后接动名词finishing。
85. The reason ______ she cried was that she lost her new bag.
答案：why
考点：定语从句。先行词“the reason”在从句中作原因状语（“她哭的原因”），用关系副词why。
86. ______ (study) English well, and you will have more chances.
答案：Study
考点：祈使句。“祈使句 + and + 陈述句”结构，祈使句以动词原形开头。
87. This is the best film ______ I have ever seen.
答案：that
考点：定语从句。先行词被“the best”最高级修饰，关系代词只能用that（不可省略）。
88. He suggested that we ______ (start) early tomorrow morning.
答案：(should) start
考点：虚拟语气（suggest从句）。“suggest”表“建议”时，从句用“(should) + 动词原形”，should可省略。
89. The child is afraid of ______ (dark).
答案：darkness
考点：名词（词性转换）。“be afraid of”后接名词，dark是形容词，名词形式是darkness（“黑暗”）。
90. If I ______ (have) enough money, I would buy a new car.
答案：had
考点：虚拟语气（非真实条件句）。表与现在事实相反，从句用“if + 主语 + 过去式”，have的过去式是had。
91. The meeting ______ (hold) yesterday was very successful.
答案：held
考点：非谓语动词（过去分词作定语）。“meeting”与“hold”是被动关系，“yesterday”表过去，用过去分词held表“已被举行”。
92. I don’t forget ______ (turn) off the lights when I leave the room.
答案：to turn
考点：非谓语动词（forget的用法）。“forget to do sth.”表“忘记要做某事”（未做）；“forget doing”表“忘记做过某事”（已做），结合“leave”用to turn。
93. A number of students ______ (be) absent from class yesterday.
答案：were
考点：主谓一致。“a number of + 复数名词”表“许多学生”，作主语时谓语用复数；“yesterday”用一般过去时，用were。
94. He told me that he ______ (see) the film twice.
答案：had seen
考点：时态（宾语从句的时态一致）。主句“told”是过去时，从句“twice”表“过去的过去已完成”，用过去完成时（had seen）。
95. ______ (give) the chance, I will try my best to do the job.
答案：Given
考点：非谓语动词（过去分词作状语）。逻辑主语“I”与“give”是被动关系（“被给予机会”），用过去分词Given开头作条件状语。
96. It is natural that he ______ (want) to go home.
答案：should want
考点：虚拟语气（主语从句）。“It is natural + that从句”，从句用“(should) + 动词原形”，should可省略。
97. The book ______ pages are yellow is very old.
答案：whose
考点：定语从句。先行词“the book”与“pages”是所属关系（“书的页码”），用关系代词whose（= of which the pages）。
98. We ______ (watch) TV when someone knocked at the door.
答案：were watching
考点：时态（过去进行时+when）。“knocked”是过去瞬间动作，主句表“当时正在看电视”，用过去进行时（were watching），主语we用were。
99. He is such a kind man that he always ______ (help) others.
答案：helps
考点：时态（一般现在时）。“always”表习惯性动作，用一般现在时；主语he是第三人称单数，help加s。
100. It is time that we ______ (go) to bed.
答案：went/should go
考点：虚拟语气（It is time that从句）。从句用“过去式”或“should + 动词原形”，表“该做某事了”，should不可省略。
