Question

【题目】—When _______ you _______ your homework?
—I had finished it before he _______ back.
A.have; finished; came
B.have; finished; was coming
C.did; finish; came
D.did; finish; was coming

Answer 1

【答案】C
【解析】考查时态。根据语境知，询问的是完成作业的时间，故用一般过去时。句意：——你什么时候完成的作业？——在他回来之前我就完成了。