— Has Tom finished his homework yet? — I
题型:选择题
问题:
— 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
— 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