Question

【题目】Jack said sorry to Mr. Li because he ______ his homework at home.

A.had leftB.would leaveC.leftD.was leaving

Answer 1

【答案】A

【解析】

句意：杰克向李先生道歉，因为他把作业忘在家里了。

考查过去完成时。A. had left过去完成时；B. would leave过去将来时；C. left一般过去时；D. was leaving过去进行时。本句主句是一般过去时，从句的动作发生在主句动作之前，即过去的过去，故选A。