61-70 CCDBA ACAAB 11-20 CACCB BCBCA ACBAB CACDB BAACA 31-40 DCDBC CDBCD 51-60 ACABD BCABC 71-75 DABCD
79. have改为had 76. 去掉第二个a 77. on改为in 78. or改为and
80. they前加what 81. were改为was
84. reading改为read
Writing
One possible version
Dear Ms Smith,
82. Uncle 后加a 83. 去掉much 85. advices改为advice I’m Li Hua. Chair of the Student Union of Yucai Middle School, which is close to your University. I’m writing to invite you to be a judge at our English speech contest to be held in our school on June 1. It will start at 2:00 pm and keep for about three hours. Ten students will deliver their speeches on the given topic “Man and the Nature”. We hope you will accept our invitation if it is convenient for you. Please call me at 446765560. if you have any questions.
I am looking forward to your reply. st