46. You are not allowed to take a second job unless your employer gives you __________ .

　　A. permission B. manual

　　C. magic D. instruction

　　47. Peter will take over as managing director when Bill ________ .

　　A. waits B. joins

　　C. encounters D. retires

　　48. Fresh fruits and vegetables are generally less ________ when they are in season.

　　A. expansive B. expensive

　　C. extensive D. intensive

　　49. He _________ very quickly after his illness.

　　A. retrieved B. discovered

　　C. recovered D. covered

　　50. I hate people who ________ the end of film that you haven’t seen before.

　　A.remove B. discourage

　　C. regard D. reveal

　　51. Where’s Mary? She’s ________ to be home and cleaning her room!

　　A. perceived B. regarded

　　C. considered D. supposed

　　52. The mayor is a woman with great integrity and therefore _______ our political and financial support.

　　A. deserves B. intends

　　C. raises D. declines

　　53. Scholars maintain that social development can easily ________ language changes.

　　A. take off B. come round

　　C. bring about D. run into

　　54. The little girl is ________ of the basic rules of English grammar, which leads to many errors in her writing.

　　A. suspicious B. ignorant

　　C. impulsive D. aware

　　55. The precious books were hopelessly ________ by long exposure in the cold, damp room.

　　A. harmed B. merged

　　C. ruined D. ensured