1 . You look so sleepy. You must have worked till late last night, ________?

A．haven't you

B．hadn't you

C．don't you

D．didn't you

2 . —You wouldn’t mind my opening the window, would you?
— ________, just go ahead.

A．Yes, I wouldn’t

B．No, I would

C．Yes, I would

D．No, I wouldn’t

3 . When Miss Beria speaks in class, we have to keep quiet, ________?

A．do we?

B．don’t we

C．does she

D．doesn’t she

4 . A: It’s not going to rain, is it?
B: ____, ________. It’s a good day for an outing.（用适当的单词填空）

5 . —I telephoned him twice and I couldn’t get through to him.
—The line might have been out of order, _________?

A．don’t you	B．do you
C．wasn’t it	D．hadn’t it

6 . We forgot to bring our tickets, but please let us enter, _______?

A．do you	B．can we
C．will you	D．shall we

7 . Something has to be done to stop the rivers from being further polluted,       ?

A．doesn’t it

B．hasn’t it

C．does it

D．has it

8 . I don’t think she will come to the meeting on time, ______?

A．do I	B．do you
C．will she	D．won’t she