．— Has Tom finished his report so far? — I have no idea．He it this morning．A. didB. has do

发布时间：2020-08-16 11:07:19


．— Has Tom finished his report so far?
— I have no idea．He     it this morning．
A. did
B. has done
C. was doing
D. had done

网友回答

A. did
B. has done
(答案→)C. was doing
D. had done
解析：考查时态，句意：--汤姆到现在完成报告了吗？--我不知道，他今天早上正在写。过去进行时表示过去正在做的动作，但不一定完成，和句意相符，选C。
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