问题补充:
------Thank you very much for giving me a hand when I was in trouble.
------Don’t mention it. I only did what anyone else in my place.
A. must do
B. might do
C. would have done
D. can have done
答案:
A. must do
B. might do
C. would have done
D. can have done
解析:考查情态动词用法。情态动词+have done是对过去发生的情况进行说明;情态动词+动词原形是对现在的情况进行说明。本题非常清楚是对过去情况进行的说明,所以排除AB。D项通常用语疑问句。C项意为:会做某事(非常肯定);句意:我只是做了任何人在我的位置上都会做的事情。