问题

What were you doing when we were playing basketball yesterday afternoon?— I ______ the classroom.

A:was cleaning
B:have cleaned
C:will clean
D:clean

正确答案是：

标签： doing , were , what

同类题型

Do you think if Tom the work well?—I think he will if he his best.

Is this your earser?—No,it isn’t. It’s ________.

What are you ________? —My new book . Please help me find them.

Do you know __________ in China tomorrow?—In the morning.

I am looking forward _________ your letter.[ ]