— Has Tom finished his homework yet? — I have no idea, he it this morning.A. was doing B.

发布时间：2020-08-16 11:27:12


— Has Tom finished his homework yet?
— I have no idea, he      it this morning.
A. was doing
B. did
C. had done
D. would do

网友回答

(答案→)A. was doing
B. did
C. had done
D. would do
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