问题

To our surprise, at the back of the classroom ______ many teachers from different parts of the city.

A:sits
B:are sitting
C:sat
D:were sitting

正确答案是：

同类题型

――Hello, may I speak to Diana――Of course . _______ is she.

____ Mr. Zhang gave us some good suggestions, but we still didn’t deal with those problems very well.

I had a cup of______and two piecesof______this morning.

How come a simple meal like this costs so much?-We have ________ in your bill the cost of the cup you broke just now.[ ]

The recent financial crisis _______ into consideration, the Japanese boss ______ back on the number of workers working for him.