34. We had been trying every possible means ______ a peace treaty ______ failed.

A. arranging ,and　 B. to arrange ,but　

C.to arrange, and　 D. arranging ,but

33. ---- Were you busy last weekend ?

　 --- Very.Rather than _____ time playing cards as usual ,I devoted every effort to ____ an advertisement.

A.wasting ,making　 B. waste ,make 　

　C. to waste ,make　 D. a waste of, making　

32. When first ______ to the market , these products enjoyed success.

A. introducing　 B. introduced　 C. introduce　 D. being introduced　

31. Philip is ______ a good teacher. He is also his students’ good friend.

A. no more than　 B. not more than　 C. no less than　 D. more than

30. Only after ______ set free _____ able to go on with his research work.

A.he was ,was he　 B. was he ,was he　 C.was he ,he was　 D. he was ,he was

29. It was quite a long time _____ I made it out what had happened.

　A.after　 B. before　 C. when　 D.since

28. ______ ,the boy really knows a lot .

　 A. As young as he is　 B.A child as he is　

C. As child he is　 D. Young as he is

27. Just in front of the house ______ with a history of 1,00 years.

　 A. does a tall tree stand　 B. stands a tall tree

　C. a tall tree is standing　 D. a tall tree stands

26. ---Did you lose the match?

　 --- Yes.We lost the match ___ one goal.

　 A.by　 B.at　 C. with　 D. only

25. ---What do you think of the project Mr. Smith asked us to do ?

　 --- Well ,it is a very important task. You ____ be too careful.

A. must　 B. can　 C. cannot　 D. mustn’t