1.I am writing to (申请) for being a volunteer in our school.
2.Color choices in this range are a step up from the small ones in two
(主要的) ways.(2018·全国Ⅰ)
3.Owing to the recent bad weather，the project is several weeks behind
(计划).
4.Then a (讨论) will be held，aiming to improve mutual understanding.
5.He got a (奖学金) last term.
6.She has a sister who is four years (小的) to me.