4. Walking out of it with a ______ smile on his face, he turned ______ goodbye to his classmates in the classroom.

A. forcing; to say　　 B. forced; to saying　　 C. forcing; to saying　　 D. forced; to say

3. Hill often attends public lectures at the University of London, chiefly _____ his English.

A. to improve　　　 B. improving　　　　 C. to have improved　　　　 D. improved

2. With no rain for three months and food supplies ______ out, the stituation here is getting from bad to worse.

A. run　　　 B. running　　　　 C. to run　　　 D. to be run

1. _______ such heavy loss, he businessman didn’t have the courage to go on.

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

15. More and more people are signing up for Yoga classes nowadays, _______ advantage of the health and relaxation benefits.

A. taking　　　 B. taken　　　 C. having taken　　　 D. having been taken

(四)

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. _______ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.

A. Put　　　　 B. Putting　　　　 C. Having put　　　 D. Being put

12. 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

11. I don’t want _______ like I’m speaking ill of anybody, but the manager’s plan is unfair.

A. to sound　　　 B. to be sounded　　　 C. sounding　　　 D. to have sounded

10. You should understand the traffic rule by now. You’ve had it ______ often enough.

A. explaining　　　 B. to explain　　　 C. explain　　　 D. explained