A. to , to help B. of , to help C. for , helping D. of , helping

28. The final time ___ we'll say good-bye to each other is coming .

A. that B. which C. when D. where

29. What a pity . My new computer doesn't work . ____must be something wrong with it .

A. This B. There C. It D. That

30. The vegetables didn't taste very good . They _____ too long .

A. were cooked B. cooked C. had cooked D. had been cooked

31. _______ , your composition is full of mistakes .

A. Written carelessly B. Writing carelessly

C. Having written carelessly D. Being written carelessly

32. It won't be long _____ he finishes his task .

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

33. There are ____ of dark clouds in the sky .

A. masses B. a mass C. mass D. much mass

34. The guerrillas (游击队员）camped in the open and _____ wild plants .

A. lived with B. lived in C. lived on D. have lived on

35. I _____ first place in the competition .

A. beat B. defeat C. have won D. won

36. Before liberation many people could not _____ to go to school .

A. afford B. offer C. pay D. able

37. I was singing songs _____ walking home .

A. as B. when C. at D. while

38. I don't know the man _____ she refers .

A. who B. to whom C. whom D. to who

39. It was Xiao Min who ______ the discussion .

A. have started B. has started C. had started D. had begun

40.Can you easily make yourself _______ in English .

A. understand B. understood C. to understand D. being understood

41. Mr Ware is _______ teacher _____ we all like him .

A. such a good , that B. such good a , that