参考答案
1-5 CCACA 6-10 BACBC
11-15 ACBAC 16-20BCBCA 21-25 CDDCB 26-30 BDABC
31-35 CDCBA 36-40BDGCE
41-45 BDDCC 46-50BABCD 51-55 ABCAD 56-60 ADCBA
61. as 62. to prepare
63. are invented 64.who / that
65. a 66. is
67. Another 68.married
69. earlier 70.whether
短文改错：
71. make a speech. make前加to
72. There is is → are
73. We had fun had → have
74. After the class 去掉the
75. like play basketball
play → playing
76. very interested.
interested → interesting
77. friendly for for → to / towards
78. In my eye eye → eyes
79. better schools. better → best
80. am pride of pride → proud
