30. --- Will you go home tomorrow evening?

　 --- No, I am going to a lecture, or at least ,I am planning ____.

　A. on　　　　 B.　 to　　 C. it　　 D. so

29. I spoke to him kindly_____ him.

　A. not to frighten　 B. so as not to frighten

　C. in order to not frighten　　 D. for not frightening

28.---- I’m sorry. Were you speaking to me ?

　 ---- Yes, I was. Would you please _____in this room?

　A. not to smoke　 B. not smoke　 C. no smoking　 D. no smoke

27. His doctor has forbidden him _____beer until his condition improves enough to stop taking medicine.

　A. from drinking　　 B. to drink　　 C. drunk　　　 D. dink

26. --- The maid is coming today.

　 --- Please have her____ the windows in my room.

　A. washed　　 B. to washing　　 C. washing　　 D. wash

25. We all felt that promise____ foolish.

　A. be　　　　 B. being　　　　　 C. was　　　 D. to be

24. Last summer I took a course on_____.

A. how to make dress　　　　　　 B. how dresses be made

C. how to be made dresses　　　　 D. how dresses to be made

23. Tom kept quiet about the accident_____ lose his job.

　 A.so not as to 　B. so as not to　 C. so as to not　 D. not so as to

22.To learn to speak English well,____.

　 A. much practice is needed　 B. one needs much practice

　 C. much practice is needed by one　 D. one is needed much practice

21. I meant____ you with your homework but father didn’t permit me to. A. to help　　　 B. to have helped　 C. helping　 D. having helped