35. - How could you make such a silly mistake?

- I’m sorry. I ______ it before I handed in the paper.

A. should check　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. could check　　　　　　　　　　

C. must have checked 　　　　　　　　　　　　　　　　　　　 D. ought to have checked　　　

34. Jim couldn’t afford to buy the present for his wife, for five pounds was ______ he had on him.

A. all that　　　　　　　　　　　 B. that　　　　　　　　　　　　　 C. all what 　　　　　　　　　 D. what that

33. What’s the use of keeping the secret ______ everyone has already known it?

A. as though　 　　　　　　　 B. now that　　　　　　　　　 C. before long　　　　　　　 D. in case　

32. Under no circumstances ______ allowed to enter the lab without permission.

A. you are　　 　　　　　　　　　　 B. you will be　　　　　　　 C. are you　 　　　　　　　 D. have you

31. Realizing that her husband had deceived her, she demanded that she ______ the whole truth.

A. should tell　　　　　　　　 B. told　　 　　　　　　　　　 C. be told　 　　　　　　　　 D. was told

30. This unfair system once prohibited ______ blacks from sitting where we liked on buses.

A. our　　　　　　　　　　　　　 B. we　　　　　　　　　　　　　 C. ours　　　　　　　　　　　　 D. us

29. - Do you want tea or coffee?

- I don’t mind, ______ one you’re making.

A. however　　　　 　　　 B. whenever　　　 　　 C. whichever　　　　　　　　 D. whatever

28. I’ve had enough of your bad manners. Will you please ______!　

A. behave　　　　 　　　　 B. perform　　　　　 　 C. act　　　　　 　　　　 D. present

27. Tom is not ______ he thinks he is!

A. as clever as half　 　　　 B. as half clever as　　 C. half as clever as　　 D. half clever than

26. I arrived only ______ that the others had already left.

A. finding　　　　　　　　　　　　　　 B. to find　　　　　　　　　　　　　　 C. having found　　　　　　 D. found