12.-I can’t find Xiao Ping, where did you see him this morning?

-It was in the library______ he studied．

A．that　　　 　　　　　　 B．where　　　 　　　　 C．which　　　　 　　 D．the one

11.-________ matters to do the job well -what you are or where you come from?

-Neither. It depends on whether you put your heart into it.

A．Which is it that　　　 B．What it is that C．Which it is that D．What is it which

10. ----How unhappy your roommate looks!

----Yes，but he’s not willing to tell me what it is____ is troubling him.

A. what　　　　　　 B. which　　　　　　 C. as　　　　　　　 D. that

9. I don’t know if you noticed their absence or not, but we　　　 .

A．did　　 　 　　　　B．have　　 　　　　　 C．had　　 　　　　　 D．were

8.______, Mr. Smith managed to send his daughter to school.

A．As he was a poor man　　 　　　　　　　 B．A poor man as he was

C．Poor man as was he 　　　　　　　 D．Poor man as he was

7. The government managed to have two chemical factories built, though _____ by the citizens.

A. being opposed to B.opposed to　　　　 C.was opposed to　 D.having been opposed to

6.- Shall Mary come to the concert with us？

　　 －Not ___she has finished her paper．

A.since　　　　　 B.once　　　　　　　 C．when　　　　　　 D．unless

5. --- Won’t you go to Kathy’s wedding party?

--- No, _____ invited.

A. though　　　 　　 B. if　　　　　　　　　　　　　 　 C. as　　　　　　　　　　　　 　 D. once

4. ---Did they tell you the final decision of the committee?

---No, they didn’t, but I think I ought to ______.

A. /　　　　　　 B. be　　　　　　　 C. have　　　　　　　 D. have been

3.－Why didn’t Tom give you one of his paintings?

　 －I didn’t want one，but he would have given me one if I　　　　

A．did　　　　　 B．would　　　　　 C．will　　　　　　　 D．had