81. –Which book would you like to borrow?-- ________ of the two books is OK with me.
A. Either B. Both C. Any D. None
答案：A(选择B的同学要注意is 表示单数.)
82.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.)
83. –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)
84. 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)
85. ________ 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。)