16.We should often practise _________ English with each other.

　　 A. to speak　　　 B. spoke　　　　　 C. speak　　　　　 D. speaking

15. My brother keeps _________ me with my work.

　　 A. to help　　　 　B. help　　　　　 C. helping　　　　 D. helped

14. Jack said that he wouldn't mind ___________ for us.

　　 A. to wait　　　 B. wait　　　　　 C. waiting　　　　 D. waited

13. The classroom wants __________.

　　 A. clean　　　　 B. cleaned　　　　 C .to clean　　　　 D. cleaning

12. Have you forgotten ___________$1000 from me　 last　 month?　 Will　 you　 please remember _________ it tomorrow?

　 A. borrowing; to bring　　　 　　　　B. to borrow; bring

　 C. borrowed; bringing　　　 　　　D. borrowing ; bringing

11.It's no good ________ over split milk.

A. to cry　　　 B. crying　　　　　　 C. cried　　　 D. cry

10.It took the workmen only two hours to finish ________ my car.

　A. repairing　　 B. repair　　　　 C. to repair　　 　　D. repaired

9.She decided to devote herself ______the problem of old age. 　A. to study 　　　　　　　 　B. studying　 　　　　 C. to studying 　 　D. study 　

8.She returned home only to find the door open and something _________　. 　A. missed　　　　 B. to be missing 　　　 C. missing　　　　　 D. to be missed

7. A policeman saw two thieves ____ a girl’s mobile phone on a bus and he caught them at once.

　 A. to steal　 　　B. stealing　 　　　C. stole　 　　　　　　D. stolen