81.He knows _________ English ________ French. But he's very good at Japanese.

　　A. either; or B. both; and C. neither; nor D. either; nor

　　答案：C　(选择A和B的同学要注意语境.)

　　82. - What do your parents do?-- One is a teacher; _________ is a driver.

　　A. other B. another C. the other D. that one

　　答案: C (选择其它三个选项的同学要注意, one is …, the other is …的用法)

　　83. 22.There are many trees on ________ side of the street.

　　A. either B. any C. all D. both

　　答案：A (选择D的同学要注意side为单数。选择B的同学要注意：街道只有两边，因此不能用any)

　　84. ________ is the population of the city?

　　A. How many B. What C. How many peopleD. How much

　　答案：B (在问到人口是多少时，其实是在说"人口数是什么"，因此不能用A，要注意排除中文的干扰。)

　　85. .Japan is ________ the east of China.

　　A. in B. to C. on D. at

　　答案: B ( in 表示在范围里的, on表示紧挨着的; to 表示在范围以外的)

　　87. The postman shouted, " Mr Green, here is a letter ________ you."

　　A. to B. from C. for D. of

　　答案: C ( 选择A的同学要注意to 表示动作的方向, for表示有从属关系或者利益关系)

　　88. We can't do it ________ your help.

　　A. with B. of C. under D. without

　　答案: D. (选择C的同学要注意中文的干扰, 借助某人的帮助要用with,反之用without)

　　89. He hasn't heard from his friend __________ last month.

　　A. since B. by the end of C. for D. until

　　答案: A (选择B的同学要注意B选项为过去完成时的时间;选择C的同学要注意, for+时间段; 选择D的同学要注意不是not…until 句型.until+ 句子)

　　90. I didn't buy the dictionary yesterday _________ my aunt would give me one.

　　A. until B. because C. if D. before

　　答案: B (选择A的同学要注意语境)