61. The heavy rain stopped the children ______ to the park.
A. to go B. gone C. from going D. go
答案： C. stop…from…，阻止……。
62. So for, we _______ about one thousand English words.
A. learned B. have learned C. learn D. are learning
答案： B. so far，“到目前为止”，常用于完成时态。
63. This TV play is very interesting . Why _____ down and watch it ?
A. not sit B. don't C. not sitting C. not sit
答案： A.
64. There ________ great changes in computers in the last few years.
A. have had B. have C. have been D. has been
答案： C. great changes为复数。In the last few years与完成时连用。
65. I'm______ happy today.
A. quite B. quiet C. much D. quick
答案： A.
66. How long may I _______ the book ?
A. borrow B. want C. take C. keep
答案： C. borrow为非延续性动词，不能与how long连用。
67. _____ the population of China ?
A. What is B. What are C. How many is D. How much is
答案： A. “中国的人口是多少？”相当于：How many people are there in China.
68. Jim is _______ student and everyone _______ him
A. a nice quite, like B. quite a nice, like
C. quite nice a, likes D. quite a nice, likes
答案： D. quite a nice student = a very nice student
69. We have sold _____ the trousers _____ your size.
A. out, in B. off, with C. away, of D. on, in
答案： A. sell out，“卖完”
70. The students are busy ______ for the exam.
A. to get everything ready B. getting everything ready
C. being ready D. to be ready
答案： B. be busy doing…，忙于……。