问题

The number of historic buildings which ________ has reached a surprising figure that we must be aware of

A:has been pulled down
B:had been pulled down
C:is being pulled down
D:have been pulled down

正确答案是：

同类题型

th, there’s a man at the front door who says he has news for you ________ vital importance.

下列各句中，没有语病的一句是（）

The new invention may __________a lot of changes in our daily life.

moved to London, Edward to run the office in Manchester.

下列各句中,没有语病的一项是(　　)