不定式练习

1.Is______necessary to change trains at Beijing? A. this B. that C. it D. he 2. _____ is easier than to do .

A . Saying B . To say C . Said D . To having said 3. He found it important _____ the situation all over the world.

A. study B. to study C. studies D. to be studied 4．____late in the morning ,Bob turned off the alarm.

A To sleep B Sleeping C Sleep D Having slept 5.It was foolish his car unlocked. A.for him to leave B.of him to leave C.for him leave D.him to leave

6. The boy refused ______ for climbing the tall tree.

A. to pay B. to be paid C. being paid D. paying 7. I happened _____ the article when he asked me about it.

A, having read B. to have read C. to be read D. reading 8. Talking about the future career, I’d prefer ____ a teacher ____ be a secretary.

A. being, to B. to be, to C. to be, rather than D. being, more than 9. The young man persuaded his father _____ smoking

A. to give up B. giving up C. being given up D. give up 10. They would not allow him _____ across the enemy line. A. to risk going B. risking to go C. for risk to go D. risk going

11. Believe it or not, he was seen______upstairs just now. A.to go B.to going C.having gone D.go 12. Paul doesn’t have to be made ___ . He always works hard .

A .learn B .to learn C .learned D .learning 13. His wish _____ a doctor came true.

A. becoming B. become C. to become D. became 14．There are five pairs____, but I am at a loss which to buy. A to be chosen B to choose from C to choose D. for choosing

15. The doctor did everything he could _____ the patient.

A. save B. to save C. saving D. saved 16. I was just about _____ the office when the phone rang.

A. leaving B. leave C. to leave D. to leaving 17. At last the enemy soldiers had no choice but _____ their guns.

A. to lay down B. lie down C. laying down D. lay down 18. Do let your mother know all the truth . She appears _____ everything .

A .to tell B .to be told C .to be telling D .to have been told 19.When and where to build the new power station______yet. A.is not decided B.are not decided C.has not decided D.have not decided

20. All I did was _____ him a little push . I didn’t mean to harm him . A .to give B .given C .giving D .to giving 21. The library needs ______,but it’ll have to wait until Sunday. A. to clean B. to be cleaned C. clean D. being cleaned 22.He made a long speech _____ his ignorance (无知) of the subject． A．only to show B．only showing C．showing D．enough to show

23．I’ve worked with children before, so I know what ______in my new job.

A expected B to expect C. to be expecting D expects 24. Tom _____ when they spoke ill of him.

A. happened to be passed B. happened to be passing by C. happened passing by D. happened to passed 25. To master a foreign language,______.

A. a lot of practice is needed B. it needs a lot of practice C. practice is in need of D. one needs a lot of practice 26 —What do you think of the book?

—Oh, excellent. It’s worth ______a second time.

A. to read B. to be read C. reading D. being read 27. The speaker raised his voice but still couldn’t make himself____ A.hear B. to hear C. hearing D. heard 28. One afternoon, Mrs Green went to the market, ____ some bananas and visited her cousin.

A. bought B. buying C. to buy D. writing 29. --I usually go there by train.

--Why not ____ by boat for a change?

A. to try going B. trying to go C. to try and go D. try going 30. Charles Babbage is generally considered ____ the first computer.

A. to invent B. inventing C. to have invented D. having invented 31. --I must apologize for ____ ahead of time.

--That’s all right.

A. letting you not know B. not letting you know C. letting you know not D. letting not you know

32.Rather than ___ on a crowded bus, he always prefers____a bicycle. A. ride; ride B. riding; ride C. ride; to ride D. to ride; riding 33. The missing boys were last seen ____ near the river.

A. playing B. to be playing C. play D. to play

34.The first textbooks ____ for teaching English as a foreign language came out in the 16th century.

A.having written B. to be written B.C. being written D. written

35. ---You were brave enough to have raised objections at the meeting. ---Well, now I regret ____ that.

A. to do b. to be doing C. to have done D. having done 36. The boy wanted to ride his bicycle in the street, but his mother told him____.

A. not to B. not to do C. not do it D. do not to

37.She can’t help ____ the house because she’s busy making a cake. A. to clean B. cleaning C. cleaned D. being cleaned 38. She looks forward every spring to _____ the flower-lined garden. A. visit B. paying a visit C. walk in D. walking in 39.While shopping, people sometime can’t help ____ into buying something they don’t really need.

A. to pursue B. persuading C. being persuaded D. be persuaded 40. The purpose of new technologies is to make life easier, ____ it more difficult.

A. not make B. not to make C. not making D. do not make 41. A computer does only what people _____.

A. have it do B. have it done C. have done it D. having it done

42.Simon made a big bamboo box ____ the little sick bird until it could fly.

A.keep B.kept C.keeping D.to keep

43.Tom asked the candy makers if they could make the chocolate easier ___ into small pieces.

A.break B.breaking C.broken D.to break

44.If they win tonight, the team are going to tour around the city ___ by their enthusiastic supporters.

A.being cheered B.be cheered C.to be cheered D.were cheered

45.Passengers are permitted ____ only one piece of hand luggage onto the plane.

A.to carry B.carrying C.to be carried D.being carried