题目

1.She__fifty or so when I first met her at a conference.
A.had been B.must be C.has been D.must have been(请解释一下为啥选D不能选A)
2.Each they have bought the same book.(这句子是错的.怎麼改?)
3.They cost 20 yuan each.(分析一下each做什麽成份吧)
4.__the exam is over,we can all relax.(填的是now that,不能用for吗)
5.有recall sb of sth 中文意思是?与remind sb of sth有区别?

提问时间：2020-09-10

答案