题目内容
---Has Li Lei finished his work today?
--- I have no idea, but he ______ it when I saw him this morning.
A. had done B. would do C. was doing D. did
C
考查动词时态。语境:--今天李雷完成他的工作了吗?----我不知道,但我今早看到他时他在工作。根据句意及时间状语when I saw him this morning可知用过去进行时。

练习册系列答案
相关题目
--- Has Li Lei finished his work today?
--- I have no idea, but he ______ it when I saw him this morning.
A.had done |
B.would do |
C.was doing |
D.did |