问题

You must stop _______. My father is sleeping.
A:is doing
B:has done
C:was doing
D:had done;
B:has done
C:was doing
D:had done;
正确答案是:
同类题型
Mrs. Smith has _________ all the shampoo, so she’ll have to buy some more.
She has very________ close friends so that she really doesn’t know________.
must be getting thin, for histrousers _____ badly like a flag in the wind.
_________________________.—-It’s eight now.
I ride a bike to school. But this morning, I walked to school.