it-pattern.doc

1________ is well known to us all that the earth is round.
2________ is well known to us all, the earth is round.
　　A.That 　　B.As 　　C.It 　　D.Which

3________ no wonder that he has passed the exam.
4________ no need for you to wait here.
　　A.There being 　　B.It was 　　C.It is 　　D.There is

5.He made ________ known to his friends that he didn’t want to enter politics.
A. that                   B. it C. himself D. Him

6.It’s no good ________ such a thing.
7.It’s of no importance ________ such a thing.
　　A.do 　　B.to do 　　C.doing 　　D.done

8. When was _________ that the general manager left for Japan?
A. he B. it                    C. that D. since
9. Is it _____ who wants to see you.
A. him B. he C. his D. Himself
10. --- What is Mary
--- Was it _____ that you were referred to
A. he B. she C. her D. they
11. It _____ Mike and Mary who helped the old man several days ago .
A. was B. are C. were D. had been
12.Was that new school master who walked by ?
--- _____.
A. It must be that B. It must have been
C. He must be D. This must have been
13 _____ he came back home that we knew what had happened .
A. When it was B. It was when C. Was it when D. When was it
14.It was the school gate ______ I met an old friend of mine after class .
A. that B. which C. where D. why
15. It was _____ great care that they did the job.
A. for B. about C. with D. in
16._____ electricity plays an important part in our daily life ?
A. Why was it that B. Why is it that C. Why is it D. Why it is that
17.It is imperative that students _______their term papers on time.
A.hand in B.would hand in C.have to hand in D.handed in
18.America will never again have as a nation the spirit of adventure as it _______before the west was settled.
A.could B.would C.was D.did
19. He said it was impossible for _______a mistake in a computer’s calculation, so you can rely on that.
A.there being Bthere would be C.there to be D.there was
20. It is strange that he________ so rude to you, though you did so much for him.
A.should be B.should have been C.is D.was
21. ________is mentioned in some of his stories, the author was brought up in a small village.
A. It B.What C.That D.As
22. Charles Ives’s music was hardly popular with the broad public at the time it was written. The composer found it________ impossible to his music performed.
A.anything but B.nothing but C.none but D.all but
23.________for aches, pains and fever, Aspirin is now the subject of multiple investigation of its role in treating many more serious complains.
A.Long used B.Being used long C.Having been long used D.It has long been used
24.It is not uncommon for there ___ problems of communication between the old and the young.
A being B would be C be D to be
25.It is not ___ much the language as the background that makes the book difficult to understand.
A that B as C so D very
26.It was ___ we had hoped.
A more a success than B a success more than C as much of a success as
D a success as much as
27.It was not ___ the clothes ___ the man himself who impressed immediately.
A as much...as B so much...as C so much...like D so far...as
28.It is reported that only one passenger was fortunate to escape___in the plan crash.
A killing B to be killed C being killed D having killed
29.It is of no use___with him.
A to argue B argue C arguing D to have argued
30.It was due to luck___judgment when the driver succeeded in avoiding an accident.
A better than B other than C rather than D more than

1.C，句1.中it是形式主语，真正的主语是从句“that the earth is round ”。
2.B。句2.中as引导一非限制性定语从句，代替后面整句内容，置于句首。
3.C，句3.为“无怪…”之意，it为形式主语，that从句为真正主语，该句型还常以No wonder…，Small wonder…或Little wonder…等省略形式出现。又如：No wonder he was punished by his father。
4.D。句4.为固定句型，多为否定句或疑问句。又如：Is there any need to explain further?有必要更进一步说明吗?
5． B。it 为形式宾语，真正的宾语是 that he didn’t want to enter politics。
6.C，句6常用doing作真正的主语，故选C。类似句型还有It’s no use （useless）donging sth。
7.B句7则只能用不定式作真正主语。
8． 答案：B
9-16 BCABBCCB
17.A 语法规则。It is imperative/necessary/essential/vital that… 此类结构中，从句用should+动词原形， should可省略。
18.D 前面使用的是have，后面也应该跟上实义动词。
19.C
20.B It is strange that... 句型中，从句的谓语动词应用should have done表“竟然”。
21.A
22.D
23.D
24-30 DCCBCAC