33、_____, the disease diphtheria will produce a powder poison that will kill the patient.

A. If it untreated                         B. If is untreated

C. If being untreated                   D. If untreated

32、It was difficult to keep a positive attitude when I had a list filled with things to do, _____ none sounded like fun.

    A. for which    B. to which    C. of which    D. from which

31、---- Though Liu Xiang was unable to compete in the Beijing Olympics, he is still our hero.

---- ____. Nobody will love him any less.

A. I don’t agree with you     B. I can’t agree more

C. I can’t agree any less      D. I don’t agree more

30、―I’ll come to see your performance at 9:00 tomorrow evening.

―I’m sorry, by then my performance _______ and I _______ reporters in the meeting room.

      A. will end; will meet                                      B. will have ended; will be meeting

      C. will be ended; am going to meet                   D. is to end; will meet

29、 I don’t think there can be anyone who is more suitable for the job than you are, ____?

    A. do I    B. can’t  he    C. is there    D. aren’t you

28、When you are feeling distressed (哀傷的), you might be thinking about things you wish you _____ differently in the past or worrying about the things that you have to do in the future.

    A. did    B. have done    C. had to do    D. had done

27、The poor man stood there, with his hands _____, ______ his eyes upon the dark cave.

A. crossed; fixing   B. crossing; fixing      

C. crossed; fixed    D. crossing; fixed

26、 It was funny to see that the dog’s eyes immediately             at the sight of its owner.

 A. lit up               B. fixed up             C. did up        D. turned up

25、It is three years _____ my brother joined the army and it will be ten days ____ he comes back to see my parents.

    A. when; after    B. since; when   C. before; until    D. since; before

24、 ___________ Uncle Tom came, he would bring us some gifts.

A. For the first time           B. Every time that    C. Every time             D. The first time that