16．-The light in the office is still on.

　　-Oh，I forget ________

　A. turning it off　　　　　　　　　　　　　　　　 B. turn it off

　C. to turn it off　　　　　　　　　　　　　　　　　 D. having turned it off

15．Jane was made ________ the truck for a week as a punishment.

　A. to wash　　　　　　　　　　　　　　　　　　　 B. washing　

　C. wash　　　　　　　　　　　　　　　　　　　　　 D. to be washing

14．Go on ________ the other exercise after you have finished this one.

　A. to do　　　　　　　　　　　　　　　　　　　　　　 B. doing

　C. with　　　　　　　　　　　　　　　　　　　　　　　 D. to be doing

13．The patient was warned ________ oily food after the operation.

　A. to eat not　　　　　　　　　　　　　　　　　　　 B. eating not

　C. not to eat　　　　　　　　　　　　　　　　　　　 D. not eating

12．(2002上海高考题)________ to sunlight for too much time will do harm to one’s skin.

　A. Exposed　　　　　　　　　　　　　　　　　　　　 B. Having exposed

　C. Being exposed　　　　　　　　　　　　　　　 D. After being exposed

11．(2002上海高考题)Don’t use words，expressions，or phrases ________ only to people with specific knowledge.

　A. being known　　　　　　　　　　　　　　　　 B. having been known

　C. to be known　　　　　　　　　　　　　　　　　 D. known

10．(2002上海高考题)Though ________ money，his parents managed to send him to university.

　A. lacked　　　　　　　　　　　　　　　　　　　　　 B. lacking of

　C. lacking　　　　　　　　　　　　　　　　　　　　　 D. lacked in

9．(2002上海高考题)In order to gain a bigger share in the international market，many state-run companies are striving ________ their products more competitive.

　A. to make　　　　　　　　　　　　　　　　　　　　 B. making　

　C. to have made　　　　　　　　　　　　　　　　 D. having made

8．(2002北京高考题)-How do you deal with the disagreement between the company and the customers?

　-The key ________ the problem is to meet the demand ________ by the customers?

　A. to solving; making　　　　　　　　　　　　 B. to solving; made

　C. to solve; making　　　　　　　　　　　　　　　　　 D. to solve; made

7．(2003上海春季高考题)She will tell us why she feels so strongly that each of us has a role ________ in making the earth a better place to live.

　A. to have played　　　　　　　　　　　　　　　 B. to play

　C. to be played　　　　　　　　　　　　　　　　　 D. to be playing