36. A. never　　　　　 B. hardly　　　 　 C. frequently　　　　　 D. strangely

34. Just as sound travels through the air in waves, electricity travels through the air in ______ radio waves.

A. what is called　 B. which is called　　 C. what it is called　 D. which it is called

33. It was _____ of Jack to turn off the radio when I was sleeping in the bedroom.

A. considerable　 　B. considerate　 　　C. disturbing　　　　 D. sensible

32. A student will be immediately dismissed if he/ she is found _____ in school.

A. smoke　 　　　 B. smoking　　 　 C. to smoke　　 　　 D. smoked

31. I failed again in the exam and only then _____ how much time I had wasted.

A. I realized 　　 　B. did I realize 　　　C. I had realized　 　D. had I realized

30. -Mom. May I play computer games just for a while?

　 -______ ! Dad is writing his paper.

A. Help yourself 　B. It’s up to you 　　C. Go ahead 　 D. Behave yourself

29. -Does Shelly like shopping?

　 -Well, she would rather spend time ______ at home than _______ in the street.

A. read; wander　 B. reading; wander　 　C. in reading; to wander　 　D. reading; to wander

28. If you think there _____ huge quantities of oil for the use of drivers, you are wrong.

A. is 　　　　　　 B. are 　　　　 C. has 　　　　　　 D. have

27. The chairman thought ______ necessary to invite Professor Smith to speak at the meeting.

A. that 　　　　　 B. it 　　　 C. this 　　　　 　D. him