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

　　A. either; orB. both; andC. neither; norD. 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. otherB. anotherC. the otherD. 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. eitherB. anyC. allD. 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. inB. toC. onD. 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. fromC. forD. 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. withB. ofC. underD. 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. sinceB. by the end ofC. forD. 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. untilB. becauseC. ifD. before

　　答案: B (选择A的同学要注意语境)

　　91. I'm going to look for another job ________ the company offers me more money.A. afterB. unlessC. whenD. for

　　答案: B ( 选择其它三项的同学要注意语境, 这里是指除非公司给我更多工资,否则我就要找其它工作.)

　　92. Don't hurry. The bus won't start ________ everybody gets on.A. sinceB. asC. untilD. when

　　答案: C (选择D的同学要注意前面是否定.)

　　93. .Please show me ____to send an e-mail, John. It's the first time for me to do it.　A. howB. whatC. whenD. where

　　答案：A　(选择C的同学要注意认真看题，这里的time不是时间，而是指第一次)

　　94. You've passed the exam. I'm happy ______ you.A. onB. atC. inD. for答案：D

　　95. I wonder ________ they finished so many different jobs in such a short　time.A. whyB. howC. whenD. where

　　答案：B　(选择A的同学要注意语境，这里指他们怎么能在如此短的时间里完成如此多的困难的工作.)

　　96. -- Do you speak English?-- Yes, I speak _________ a little English _______ some French.

　　A. neither, notB. both, orC. either, orD. not only, but also答案：D　(选择C的同学要注意语境.)

　　97. .______ the maths problem is difficult, I'll try very hard to work it out.A. ThoughB. WhenC. BeforeD. After

　　答案：A　(选择B的同学要注意语境.不能说当题目难的时候，我将努力.而是说尽管题目难，但我将努力解决.)

　　98. The accident took place ________ a cold February evening.A. onB. inC. atD. for

　　答案：A　(选择B的同学要注意，在特指的早上、下午、晚上，不用in要用on)

　　99. He turned ________ the radio because his father was asleep.　A. onB. downC. upD. over

　　答案：B　(根据语境：他爸爸睡着了，因此不能用A-打开，也不能用C-调大.D表示反过来)

　　100. I don't know the homework _______ today.　A. onB. inC. ofD. for

　　答案：D　(选择C的同学要注意of表示从属关系，要注意中文的干扰.)