问题

Have you been here before—Yes. This is the third time that I ______ to Shanghai.

A:come
B:came
C:have come
D:had come;

正确答案是：

同类题型

It seemed only seconds ________ the boy finishedwashing his face.

He eats _______ food, so he is _______ fat.

________ enough time, but he couldn’t do it better

Professor Wang, together with hiscolleagues, _______ working on the project day and nightto _______ thedeadline.

I wouldn’t manage to do it___ you had explained how.