问题

I think that something has to be done to stop the air from being polluted, ______ ?

A:doesn't it
B:don’t I
C:don't they
D:haven't they

正确答案是：

同类题型

_____ do you like better, this one or that one

Did you watch that Korean TV series last night? —Yes, but it was not until eleven o’clock ______ the play started[ ]

It’s raining heavily! Why mustwe go out right now—- The reason is that we are going tohelp the villages on the mountains.—- ______.

The organizers promise _________ wins the first prizea chance to go abroad.

My roommate is a girl_________ round eyes and long hair.