33.--- Catherine, I have cleaned the room for you.

---Thanks. You _______ it. I could manage it myself.

A. needn’t do　 　　 B. shouldn’t　 have done　　　 C. mustn’t do　　　 D. needn’t have done

32. It didn’t take the children long to________ the correct answer.

A.carry out　　　　　　　　 　　　 B.figure out　　　　　 　　　 C.turn out　　　　　 　　　 D.give out

31.___­­__ herself to science, the great scientist took little notice _____ the honors given to her.

A. Devoted, of　 　　　B. Devoting, of　 　　C. Devoted, about　　 D. Devoting, about

30. The old couple, ____had been admitted to university, were living a hard life.

A.both their children　　　　　　　　　　　　　　 B. both of whom children

C. both of whose children　　　　　　　　　　　　 D. whose their children

29.---Has Peter handed in his paper yet?

---I’m not sure. He _______ on it last week.

A. was working　　　　　 B. has worked　　　　　 C. worked　　　　　　 D. had worked

28.The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.

A. can’t　　　　　　　　 B. shan’t　　　　　　　 C. needn’t　　　　　　 D. mustn’t

27.---Have you called Mr Johnson’s office?

---Yes. He ____back before tomorrow noon. So he can attend our meeting on time.

A.expected　　　 　　　　B. is expected　　　　　 C. is expecting　　　　 D. is to expect

26.Word comes _____ free books will be given to ______come first in this book fair.

A. which,no matter who　 B. that, anyone who　　 C.which,whoever　　　 D.that,those who

25. The fire _______ before the fire-fighters arrived.

A. has been put out　　　 B.was put out　　　　 C. had put out 　　　　D. had been put out

24.With some snow on top of it,the Yellow Mountain looked fantastic this winter.Actually, I doubt whether we could visit ______mountian in China.

A. a most beautiful　　　 B.the most beautiful　 　C.a more beautiful　　 D.a beautiful