12.　 I wonder ____ we can solve this hard problem.

A. what else　 B. how else　 C. that　　 D. as if

11.　 ---Would you please give him the paper the moment he ____?

--- No problem.

A. arrives　　 B. appearing　 C. came　 D. reaches

10.　 ____ is mentioned above, the number of the cattle here has been limited to 200.

A. It　 B. Which　　 C. That　　 D. As

9.　　　 --- Any phone call for me?

--- Yes.____ telephoned 10 minutes ago.

A. A Doctor Simpson　 B. The certain doctor

C. The Tim Smith　　 D. A Simpson Doctor

8.　　　 "No, no ", he whispered,____ talking to himself.

A. while　 B. even if　　 C. as if　　 D. when

7.　　　 ---Is it Pro. King that will give the lecture on radiation?

--- I can't __ I know it for sure.

A. say　　 B. tell　 C. speak　　 D. talk

6.　　　 ---May I take your order now?

　 ---_______.

A. No,I'm in trouble now　　　

B.Yes, we obey orders

C. Yes, I'd like a dish of chicken　

D.No, I don't have a choice of meat

5.　　　 She was so angry at all ______ I was doing ______ she walked out.

A. that; which　　 B. that; that　

C. which; that　　 D. which; as to

4.　　　 The old woman had a letter from her son in the army_____ to her.

A. read　 B. write　 C. written　 D. received

3.　　　 It was ______ the old clock that the old man spent the whole morning at home.

A. repairing　　　 B. repaired　

C. to repair　　　 D. in repair