16. He stole the money and was put _____ .

　 A. at prison　　　 B. in　 prison　　 C. at the prison　 D. in the prison

15. They started at once　 in search ____　 the missing child.

　 A. with　　　　 B. for　　　 C. of　　　 D. from

14. Who is ____　 the children here?　　　　　　　

　 　A. on charge of　　 B. in charge for　 C. to charge in　　 D. in charge of

13.　 ____ of danger you must keep calm.

　 A. At time　　　　 B. At times　　　　 C. In times　　　　 D. In time

12. If anything happens ____　 the machine, please let us know.

　 A. with　　　　　 B. on　　　　　　 C. to　　　　　　 D. at

11. No one can ____ the wheel of history.

　 A. hold up　　　 B. get hold of　　 C. hold back　　 D. take hold of

10. Mr Smith often helps me　 ____　 my study.

　 A. for　　　　　　 B. with　　　　　　 C. in　　　　 D. about

9. The Italian boy had no　 ____　 the tall tree.

　 A. difficulty in climbing　　　　　　　　 B. difficulties to climb

　 C. difficulties of climbing　　　　　　　 D. difficult climbing

8. She ____　 the place.

　 A. was in trouble to find　　　　　　　　 B. had trouble to find

　 C. troubled in finding　　　　　　　　　　 D. had trouble in finding

7. Please help ____　 some fish.

　 A. you with　　　　 B. yourself with　　 C. yourself to　　　 D. you to