1. I like_____________in the autumn when the weather is clear and bright.
A. this B. that C. it D. one
[解析] C.句中like为及物动词，后面需要跟宾语。而like之后不可直接接从句作宾语。it可用于某些动词(hate, appreciate…)和介词之后作笼统宾语。
2. He was nearly drowned once.
_____________ was in 1998 when he was in middle school.
A. that; It B. this; This C. this; It D. that; This
[解析]A. 第一空用that指代上文提到的事情; 第二空用it指代第一空的that
3. The Parkers bought a new house but_____________will need a lot of work before they can move in.
A. they B. it C. one D. which
[解析] B此处it指代前面出现的a new house. it指代上文提到的同一事物，为特指;而one通常指代同类事物中的某一个。
4. Someone is ringing the doorbell. Go and see__________.
A. who is he B. who he is C. who is it D. who it is
[解析] D此处it用作人称代词，指不明身份，性别的人;宾语从句应用陈述语序。
5. In fact_____________is a hard job for the police to keep order in an important football match.
A. this B. that C. there D. it
6. Mike's mother kept telling him that he should work hard, but________didn't help.
A. he B. it C. she D. which
[解析] B此处it用以指代前面的句子，可用that替换。
7. Since you have repaired my computer,_____________is no need for me to buy a new one.
A. it B. there C. this D. that
[解析] B考查固定句型 There is no need for sb to do sth
8. The official made________clear that he would do everything possible to solve the problem.
A. it B. this C. that D. him
9. Do you like_____________here?
Oh, yes, the air, the weather and the way of life. Everything is so nice.
A. this B. there C. that D. it
10. Bill's aim is to inform the viewers that cigarette advertising in TV is illegal,_____________?
A. isn't it B. is it C. isn't he D. is he
11._____________is mentioned above, the number of the students in senior high school is increasing.
A. which B. As C. That D. It
[解析] B非限制性定语从句中， as /which均可指代整句话的内容，但 which只能放在主句后，译为 "这一点"; as则位置灵活，译为 "正如"。
12. It was with great joy_____________he received the news that his lost daughter had been found.
A. because B. which C. since D. that
13. It was_____________back home after the experiment.
A. not until midnight did he go_____________B. until midnight that he didn't go
C. not until midnight that he went D. until midnight when he didn't go
14. Why! I have nothing to confess._____________You want me to say?
A. What is it that B. What it is that C. How is it that D. How it is that
15. It is the ability to do the job_____________matters not where you come from or what you are.
A. one B. that C. what D. it
[解析] B考查强调句型。被强调部分是not where you come from or what you are (but ) the ability to do the job.为了平衡结构，部分移至句尾。
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