56. If people don't learn from this, then his suffering and death were __________.

　　A. in vain B. on vain C. for vain D. to vain

　　57. Thanks ever so much for your help, I really __________ it.

　　A. appreciate B. thank C. like D. enjoy

　　58. __________ you are blind, you will not miss the astonishing changes taking place in Shanghai.

　　A. Although B. If C. Since D. Unless

　　59. You __________ drive carefully. The roads are wet.

　　A. had better B. would rather C. would D. had better

　　60. A: We went to Italy for a holiday last year.

　　B: That __________ nice.

　　A. can be B. must be C. must have been D. can’t have been

　　61. An inspection of the building revealed faults that might __________ have been overlooked.

　　A. otherwise B. because C. therefore D. however

　　62. We __________ TV last night when suddenly the lights went out.

　　A. watched B. were watching C. had watched D. had been watching

　　63. Without your timely help, we __________.

　　A. would not succeed B. would succeed

　　C. would have succeeded C. would not have succeeded

　　64. Stop writing. It’s time that you __________ your paper.

　　A. must hand in B. have to hand in

　　C. could hand in D. handed in

　　65. Please go and make sure __________ you get a receipt.

　　A. that B. if C. how D. why