Question

【题目】We had finished all the new lessons ________last month.

A. after B. by the time

C. by the end of D. as soon as

Answer 1

【答案】C

【解析】句意：到上个月底为止，我们已经完成了所有的新课程。考查介词短语辨析题。A. after在……以后；B. by the time到……的时候，后接句子；C. by the end of到……为止，后接短语；D. as soon as一……就……。根据句意结构，可知选C。