22. When I got back home I saw a message

　 pinned to the door, _________ "Call 68837822".

　　 A. reading　　　 B. reads

　　 C. to read　　　 D, read

21. We expressed our satisfaction with the talk, _______ that we would visit the city again.

　 　A. having added 　　　　　　B. adding

　 　C. to add　　　　 　　　　　　D. added

20.________ a reply, we decided not to wait any longer.

　 A. Not receiving　　　　　 　　B. Receiving not

　 C. Not having received　　　　 D. Having not received

19. ______ the child to bed, she began to correct the pupils' exercises.

　 　A. Sending　 　　　　　B. Being sent

　 　C. Sent　　 　　　　　　D. Having sent　　

18. There was a terrible noise ______ the sudden burst of light.

　 A. following　 　　　　　B. to be followed

　 　　C. followed　 　　　　　D. being followed　　　

17. "You can' t catch me!" Janet shouted, 　________ away.

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

16. It's necessary to be prepared for a job interview. ______ the answer ready will be of great help.

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

15. In the past, this work, __ highly skilled, was usually done by men.

　　 　A. considering　　　　　　　 B. to consider　

C. being considered　　　　　 D. considered

14. 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

13. Don't leave the water ______ while you brush your teeth.

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