Question

【题目】――Look! Somebody ____the sofa..

――Well, it wasn’t me. I didn’t do it.

A. is cleaning

B. was cleaning

C. has cleaned

D. had cleaned

Answer 1

【答案】C

【解析】从后面的回答可以看出事情已经完成了，前面一句是着重谈对现在的影响，用现在完成时态。句意：—看，有人已经清理了沙发。—恩，不是我，我没有做。