a pair of at least three years take tow hours volunteer agree with before on reply to which
问题描述：
a pair of at least three years take tow hours volunteer agree with before on reply to which
1
He ____ to help me with my English last year.
2
Do you think the suit is nice _____ him.
3
Think well ____ you decide.
4 They did not ______ our nes proposal.
5
Her English improved after_______ hard study.
答
1.used
2.on
3.before
4.accept
5.much要用上面给的填可以帮我再看看吗?1. volunteered2. on3. before4. agree with5. at least three years第一个我觉得应该是volunteer 但是怎么变时态呢...因为后面有明显的过去时间状语last year, 所以用过去式。