单选

51.C his 52.__ 53.B Deadline 54.A Lucy insisted 55.C many 56.B Victoria likes 57.D quarter 58.C The school pupils 59.A politics are 60.A The arrival 61.B Tony hit 62.D I wish 63.A were to 64.B Careless reading 65.A remain 66.C Adjusting 67.A dull 68.B I couldn't understand 69.D did up 70.A credit 71. C as far as one can see 72.C point 73.D much 74.A if an accident happens 75.C deliver 76. C building 77.B definite 78. D blast 79.B refrained from 80. A brightly