18. _____ the front door _____, he had to enter the room through the back door.

　 A. Seen; painted　　　 　　 B. Seeing; painted　 　 C. Being seen; being painted 　　 D. Seeing; being painted

17. The dog, _____, will be made a good watchdog.

　A. to train properly　　 　　 B. being trained properly　 　　 C. properly to train　　 　 　 D. trained properly

16.　--- 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

15. I really can't understand ______ her like that.

A. you treat　　 B. you to treat　　 C. why treat　 D. you treating

14. It was unbelievable that the fans waited outside the gym for three hours just _______ a look at the sports stars.

A. had　 　　 B. having　　　 　　　　 C. to have　　　 D. have

13. He got well-prepared for the job interview, for he couldn’t risk _______ the good opportunity.

A. to lose 　　　　 B. losing 　　 C. to be lost　　 　 D. being lost

12. ______ in a white uniform, he looks more like a cook than a doctor.

A. Dressed　　　 B. To dress　　　 C. Dressing　　 D. Having dressed

11. I couldn’t do my homework with all that noise __________.　

　 A. going on　　　　　　 B. goes on　　　　　　　　　　 C. went on　　　　　　 D. to go on

10. Suddenly, a tall man driving a golden carriage _________ the girl and took her away, _________ into the woods.　

A. seizing..,disappeared　　　　　 B. seized.., disappeared

C. seizing, disappearing　　　　　 D. seized, disappearing

9. Victor apologized for __________ to inform me of the change in the plan.

　A. his being not able　　 B. him not to be able　 C. his not being able　　 D. him to be not able