51. Not only _______ this machine, but _______ it.

A. can he run, can he repair　　　　 B. can he run, he can repair

　　 C. he can run, he can repair　　　　 D. he can run, can he repair

50.His attitude to us proved ________.

　　 A. well　　　 B. warmly　　　 C. nicely　　　 D. friendly

49.This year we’ll produce ________ cotton than we did last year.

　 A. twenty percent more　　　　　 B. more twenty percent

　 C. twenty percent much more　 D. much more twenty percent

48. Which is ________ country, Canada or Australia?

　 A. a large　　　 B. larger　　　　 C. a larger　　 D. the larger

47. On either side of the roads in our school ____ a lot of trees.

　 A. are grown　　 B. is standing　　 C. grow　　 D. stands

46. _____ that he dare not go out alone in the evening after he heard the old man talk about the terrible story.

　 A. So frightened was he　　 B.　 Frightened as he was

　 C. Frightened was he so　　 D. Though he was so frightened

45. ---My watch ________ twelve o’clock. It is so late.

　 ---Let’s hurry up.

　 A. is said　　　　 B. says　　　　 C. is told　　　 D. tells

44. --- Where have you been all this time? The train is about to leave.

　 --- I’m sorry I’m late, but I ________ for you at the information desk upstairs.

　 A. waited　　　　 B. have waited　　 C. was waiting　　 D. have been waiting

43. It was after a serious discussion that a conclusion _______.

　 A. arrived at　　 B. was arrived at　　 C. was arrived　　 D. arrived

42. ---I visited the museum a few days ago.

　 ---_______ you ever ______ it before?

　 A. Will; read　　　 B. hadn’t; visited　　 C. have; visited　　 D. Did; visit