32.Because he was not ______ of the new limit, he was stopped and warned for speeding.

　 A.aware　　　 B.sensitive　　 C.interested　　 D.suitable

31.Follow your teacher’s advice, ______ you will make great progress.

　 A.or　　　　　 B.but　　　　 C.and　　　 D.so

30.However, at times this balance in nature is disturbed, ______ a number of possibly unforeseen effects.

　 A.lying in　　　　 B.calling in　　　 C.taking in　　　 D.resulting in

29.-What do you think of my suggestion?

　---Sorry, what’s that? I ______ about something else.

　 A.am thinking　　　 B.thought　　　 C.had thought　　 D.was thinking

28.The door opened and in ______.

　A.she came　　　 B.came she　　　 C.did he come　　 D.did Mr Smith come

27.This kind of wool ______ soft and ______well.

　A.is felt; sells　　　 B.feels; sells　　　 C.is felt; is sold　　 D.feels; is sold

26.______, I couldn’t remember these words.

　A.However hard did I try　　　　　 B.However hard I tried

　C.However I tried hard　　　　　 　D.However I had tried hard

25.Why didn’t you tell me there was no meeting today? I______all the way here through the heavy rain.

　A.needn’t have driven　　　　　　　’t have driven

　C.mustn’t have driven　　　　　　　 D.shouldn’t have driven.

24.-Don’t press the button, Tom.

　 --- What if I ______?

　A.did　　　　 B.would　　 C.will　　　 D.shall

23.It is reported that two schools, ______ are being built in my hometown, will open next year.

　 A.which both　　 　B.they both　　 C.both of them　　 D.both of which