Ⅷ-ing ParticipleUnit 1Exercise 1: Multiple Choice1. She stood by the window, _______.A. thinkingB. thinkC. thoughtD. thinks2. _______ to meet anybody, he went in from the back door.A. Not wishingB. WishingC. Not wishedD. No wishing3. It _______ now pretty late, we took our things and retired to our roomA. isB. beingC. turnedD. got4. The old man came upstairs with great strength, his right hand _______ a stick for support.A. heldB. holdingC. being holdingD. was holding5. _______ three times in a row, the boxer decides to give up fighting.A. having defeatedB. To have defeatedC. having been defeatedD. To have been defeated6. _______ on a clear day, far from the city crowds, the mountains give him a sense of infinite peace.A. If walkingB. While walkingC. WalkingD. When one is walking7. I understood you were third-year students _______ in English.A. who majorB. who major isC. have majoredD. majoring8. Their room was on the third floor, its window_______ the sports ground.A. overlooksB. overlookingC. overlookedD. to overlook9. A new technique ______ out, the yield increases by 20%.A. having workingB. having been workedC. has workedD. had been worked10. _______, there was nothing for it but to swim across.A. The bridge having been destroyedB. The bride was destroyedC. The bridge to be destroyedD. The bridge had been destroyed11. _______ the entrance exam, he was offered an opportunity to study international finance and economics at this university.A. Having passedB. PassedC. PassingD. Being passing12. _______ another generation from that of their parents, young people have different tastes, ideas and beliefs.A. Belonging toB. Belonged toC. They belong toD. They belonging to13. He went hunting with specially trained dogs, followed by men and women _______ horses.A. ridingB. riddenC. rodeD. to ride14. I remember that you're the man ______ the world news on television.A. reportingB. having reportedC. reportedD. to report15. _____ the temperature falling so rapidly, we couldn’t go on with the experiment.A. SinceB. ForC. AsD. With16. Her husband having died, she has to take on such heavy _____ housework as carrying water.A. time-consumedB. timely-consumedC. time-consumingD. timely-consuming17. The final results _____ yesterday, the public felt very angry.A. revealB. have revealedC. be revealedD. having been revealed18. There seemed little hope that the explorer, _____ in the tropical forest, would find his way through it.A. to be desertedB. having desertedC. to have been desertedD. having been deserted19. Power stations employ _________ water to produce electricity.A. fallingB. fallenC. fillingD. filled20. It takes about an hour to get there, _________ possible traffic delays.A. it allowingB. its allowing forC. to allow toD. allowing for21. While reading the newspaper, _________.A. a colorful advertisement caught my eyesB. my attention was attracted by an advertisementC. I was attracted by a colorful advertisementD. what attracted by a colorful advertisement22. This means that object ________120 kilograms on the earth will only 20 kilogram.A. being weighedB. weighedC. weighsD. weighing23. ________ nobody was willing to vote for her, she decided to dropout of the election.A. WhenB. ThatC. Seeing thatD. So that24 How many of us________ , say, a meeting that is irrelevant to us would be interested in the discussion?A. attendedB. attendingC. to attendD. have attended25 There was a very interesting remark in a book by an Englishman that I read recently ________ what he thought was a reason for this American characteristic.A. givingB. giveC. to giveD. given26. There seemed little hope that the explorer, _______in the tropical forest, would find his way through it.A. to be desertedB. having desertedC. to have been desertedD. having been deserted27. The article opens and closes with descriptions of two news reports, each _______ one major point in contrast with the other.A. makesB. madeC. is to makeD. making28. There was a very interesting remark in a book by an Englishman that I read recently _______ what he thought was a reason for this American characteristic.A. givingB. gaveC. to giveD. given29. He wasn’t asked to take on the chairmanship of the society, _______ insufficiently popular with all members.A. being consideredB. consideringC. to be consideredD. having considered30. It’s easy to blame the decline of conversation on the pace of modern life and on the vague changes _______ place in our ever-changing world.A. takingB. to takeC. takeD. taken31 Don’t leave the water _____ while you brush your teeth.A. runB. runningC. being runD. to run32 When the first English settlers arrived in the World, the Indians_____ jewelry made of animal bones greeted them warmly.A. wearingB. to wearC. wornD. having worn33 The manager, _____ it clear to us that he didn’t agree with us, left themeeting room.A. who has madeB. having madeC. madeD. making34 Russ and Earl were auto mechanics _____ the same pay, but Earl had more ambition.A. to earnB. to have earnedC. earningD. earned35 Police are now searching for a woman who is reported to _____ since the flood hit the area last Friday.A. have been missingB. have got lostC. be missingD. get lost36 In April, 2009, President Hu inspected the warships in Qingdao, ______the 60th anniversary of the founding of the PLA Navy.A. markingB. markedC. having markedD. being marked37 There is a great deal of evidence _____that music activities engage different parts of the brain.A. indicateB. indicatingC. to indicateD. to be indicating38 A railway station is no place for a child ________alone at night.A. leaveB. leavingC. to be leavingD. to be left39 Distinguished guests and friends, welcome to our school, _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad.A. AttendB. To attendC. AttendingD. Having attended40 If we have illegal immigrants ________ in, many local workers will lose their jobs.A. cameB. comingC. to comeD. having come41 ___, tears came to her eyes.A. Having seen the filmB. Seeing the filmC. She seeing the filmD. After having seen the film42 The rule says young children under the age of 4 and ___less than 40 pounds must be in a child safety seat.A. being weighedB. to weighC. weighedD. weighing43 Please excuse me for leaving without ___a goodbye last night.A. sayingB. having saidC. being saidD. said44 Jack read the letter from his parents, tears ___down from his cheek.A. comingB. to comeC. being comeD. having come45 The ___Prime Minister expressed his satisfaction with his talks, ___that he had enjoyed his stay here.A. visiting; addB. visited; addingC. visiting; addingD. visited; added46 The bell ___the end of the period rang, ___our heated discussion.A. indicating; interruptingB. indicated; interruptingC. indicating; interruptedD. indicated; interrupted47 Oil prices have risen by 32 percent since the start of the year, ______ a record US $57.65 a barrel on April 4.A. have reachedB. reachingC. to reachD. to be reaching48 At last, we found ourselves in a pleasant park with trees providing shade and __________ down to eat our picnic lunch.A. sittingB. having satC. to sitD. sat49 The retired man donated most of his savings to the school damaged by the earthquake in Yushu, ________the students to return to their classrooms.A. enablingB. having enabledC. to enableD. to have enabled50 Lots of rescue workers were working around the clock, __________supplies to Yushu, Qinghai Province after the earthquake.A. sendingB. to sendC. having sentD. to have sentExercise 2: Error-Correction1 A majority of the reports received from people claim to have seen the legendary Loch Ness Monster have proven to be mistakes, misconceptions, or tricks..2 Won its war for independence in 1783, the United States then struggled to establish its own economic and financial system.3 In the nineteenth century the Mohave Indians lived in the Northern Hemisphere grew their crops on river bottom lands.4 In this way these insects show an efficient use of their sound-produced ability, organizing two sounds delivered at a high rate as one call.5 When language learners arrive in Oxford, many ask where the university is, think that they will be shown around buildings.6 Reading the directions carefully, some mistakes in the examination could have been avoided.7 Seen from the top of the hill, we can see the whole town which develops very fast in recent years..8 Moved deeply by what he said, so he decided to help the poor girl who, faced with difficulties, was very optimistic about her future.9 Being there more than once, the old professor showed us around the newly-built library whose construction had been finished last month. .10 The more than 50000 nuclear weapons in the hands of various nations today are more than ample destroying every city in the world several thousand times.Exercise 2: Filling each blank with the proper form of the words given in the brackets.1 Chairman Mao compared young people to the_______ (rise) sun.2 That is the least ________(convince) excuse you could offer.3 The last bus_______ (go), we had to walk home.4 The first attempt _______ (fail), they started thinking about another try at reaching the top of the mountain.5 A new technique ______(work) out, the yield increases by 20%.6 There seemed little hope that the explorer, _____(lose his way) in the tropical forest, would find his waythrough it.7 The manager, _____(make) it clear to us that he didn’t agree with us, left the meeting room.8 The storm left, _____(cause) a lot of damage to this area.9 It is difficult to imagine his _____(accept) the decision without any consideration.10 Russ and Earl were auto mechanics _____ (earn)the same pay, but Earl had more ambitionExercise 3: Translate the following into English (-ing participle used as adverbial phrase is preferable)1害怕被警察认出来，他们从来不敢白天出来。