13. At last, we found ourselves in a pleasant park with trees providing shade and _________ down to eat our picnic lunch. (2005上海)

　 A. sitting　　 B. having　　 C. to sit　 D. sat

12. More and more people are signing up for Yoga classes nowadays, _______ advantage of the health and relaxation benefits. (2005上海)

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

11. It was unbelievable that the fans waited outside the gym for three hours just ________ a look at the sports stars. (2005上海)

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

10. __________ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns. (2005上海)

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

9. He got well-prepared for the job interview, for he couldn’t risk __________ the good opportunity. (2005上海)

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

8. I couldn’t do my homework with all that noise _________.(2005北京)

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

7. The prize of the game show is $30,000 an all expenses ________ vacation to China. (2005北京)

　 A. paying　　 B. paid　　 C. to be paid　　 D. being paid

6. When asked by the police, he said that he remembered __________ at the party, but not _______(2005北京)

　 A. to arrive; leaving　 B. to arrive, to leave　　 C. arriving; leaving　 D. arriving; to leave

5. It’s necessary to be prepared for a job interview. _________ the answers ready will be of great help. (2005北京)

　 A. To have had　　 B. Having had　　 C. Have　　 D. Having

4. “ You can ’ t catch me! ” Janet shouted, __________ away. (2005全国卷三)

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