22. --- Have you considered _____ your job as a teacher?

　--- Yes. I like the job because a teacher is often considered _____ a gardener.

　A. to change; to be　　　　 B. to change; being

　C. changing; being　　　　 D. changing; to be

21.　He　looked　around　and　caught　a　man　_______　his　hand　into　the　pocket　of　a　passenger.　

　A.　put　　 B.　to　be　putting　　 C.　to　put　　 D.　putting　

20. Time ______________, I'll go on a picnic with you. 　 A. permit B. to permit C. permitted D. permitting

19.　The　bell　_______　the　end　of　the　period　rang,　_______　our　heated　discussion.　

A.　indicating;　interrupting　　　　 B.　indicated;　interrupting　

C.　indicating;　interrupted　　　　 D.　indicated;　interrupted　

18. Kathy 　　　　　　a lot of Spanish by playing with the native boys and girls.

　　　 A．picked up B．took up　　 C．made up　 D．turned up

17. Finding her car stolen, ________.

A. a policeman was asked to help　　 B. the area was searched thoroughly

C. it was looked for everywhere　　 D. she hurried to a policeman for help

16. I have something ______ to discuss with you.

A. of great importance　　　　　　　　　　　　　　　　　　　 B. of very importance

C. great important　　　　　　　　　　　　　　　　　　　　　　 D. very importance

15. My money 　　　　　.Could you please lend me some?　

A.has run out of　　　 B.has run out　　　 C.was run out of　　 D.has been run out

14. ＿＿＿ such heavy pollution already，it may now be too late to clean up the river．

　A．Having suffered　 B．Suffering　 C．To suffer　 D．Suffered?

13. These new books are a very welcome ______ to the school library.

A. addition　　　 B. arrival　　　　 C. attitude　　　　 D. audience