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.Which3_ 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 is5.He made _ known to his friends that he didnt want to enter politics. A. that B. itC. himselfD. Him6.Its no good _ such a thing.7.Its of no importance _ such a thing.A.do B.to do C.doing D.done8. When was _ that the general manager left for Japan?A. he B. itC. that D. since9. Is it _ who wants to see you.A. him B. he C. his D. Himself10. - 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 been12.Was that new school master who walked by ?- _.A. It must be that B. It must have beenC. He must be D. This must have been13 _ 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 it14.It was the school gate _ I met an old friend of mine after class .A. that B. which C. where D. why15. It was _ great care that they did the job. A. for B. about C. with D. in16._ 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 that17.It is imperative that students _their term papers on time.A.hand in B.would hand in C.have to hand in D.handed in18.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.did19. He said it was impossible for _a mistake in a computers calculation, so you can rely on that. A.there being Bthere would be C.there to be D.there was20. 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.was21. _is mentioned in some of his stories, the author was brought up in a small village. A. It B.What C.That D.As22. Charles Ivess 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 but23._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 used24.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 very26.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 argued30.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 didnt 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Its no use （useless）donging sth。7.B句7则只能用不定式作真正主语。8 答案：B9-16 BCABBCCB17.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.C20.B It is strange that. 句型中，从句的谓语动词应用should have done表“竟然”。21.A22.D23.D24-30 DCCBCAC