13.I find these problems are easy _____.

　 A. to be worked out　　 B. to work out　　

　 C. to work them out　　 D. to be worked them out

12.Nothing can stop a _____ student _____ his mind to give up his studies.

　 A. promised; to change　 　　

　 B. promised; changing　

　 C. promising; changing 　　　 　　　

　 D. promising; to change

11.I’m _____ the guidebook, looking for information about Guangxi, where I’ll travel.

　　 A. looking　　 　　 　　　　　B. scanning　　　 　　

　　 C. seeking　　　　　　 　　　　　 D. arguing

10.It looked like rain last night, but it turned _____a fine day.

　 A. out　　　 B. off　　　 C. down　　　 　　 D. up

9.-Are you _____ with the achievements you have made recently?

　 -Of course， they show my efforts at least.

　 A. similar　　　　 　　　　　　 B. satisfied　 　　 　　

　 C. curious　　　 　　　　　　　　 D. pleasant

8.As time _____， the theory proved correct.

　 A. went by　　　　　　　　　　 　　　 B. went away　　　　　

　 C. got through　　　 　　　　　 D. made up

7.All the money he had had been _____，so he had to make a living by begging.

　 A. used up　　　 　　　　　　　　 B. taken up　 　

　 C. stayed up　　 　　　　　　　　 D. brought up

6.Tom _____ the girl that he _____ four years ago.

　 A. married； engaged　　　　　　　　　　　　　　　 　

　 B. was married to； was engaged　　　

　 C. has been married to； was engaged to　 　

　 D. married with； was engaged in　　

5.I’ve visited a lot of places and stayed in lots of different hotels, but none of　 them _____ this one.

　 A. makes　　　　 　　　　　 B. beats　　　　　　　　　　

　 C. compares　　　　　 　　　　　 D. matches

4.Her dream _____ China has come true at last with the help of her grandfather.

　 A. to visit　　　　 　　　　　 B. in visiting　　 　　

　 C. visiting　　　　　　　 　　　　　 D. of visiting