1、—Do you think our basketballers played very well yesterday?
A.They were not nervous at all
B.They were still young
C.They played naturally
D.They couldn't have done better
2、-What about having a drink
C.Go ahead, please
-I can't eat this. It's too salty.
1、D They couldn't have done better.在这里是一句赞扬的话，说明他们已经尽到了最大的努力。
2、A What about doing … 是征求对方意见的日常用语，同意这种做法可以用Good idea.回答。
3、A Yes, sir 的意思是“先生,什么事？”以便知道对方的请求。