非谓语动词练习二47._ to sunlight for too much time will do harm to ones skin.A. ExposedB. Having exposedC. Being ExposedD. After being exposed48. A cook will be immediately fired if he is found _ in the kitchen. A. smokeB. smokingC. to smokeD. smoked49.The discovery of new evidence led to_.Athe thief having caughtBcatch the thiefC.the thief being caughtDthe thief to be caught51.An army spokesman stressed that all the soldiers had been ordered_ clear warningsbefore firing any shots. Ato issue Bbeing issuedCto have issuedDto be issued52.There is a new problem involved in the popularity of private cars_ road conditionsneed_.Athat /to be improvedB.which /to be improvedCwhere/improvingDwhen/improving53.Generally speaking,_ according to the directions, the drug has no side effect.Awhen takingBwhen takenCwhen to take Dwhen to be taken54.Mr. Smith, _ of the _ speech, started to read a novel.A. tired; boringB. tiring; boredC. tired; boredD. tiring; boring55.Im going to the supermarket this afternoon. Do you have anything_? A. to be buyingB. to buyC. for buyingD. bought56The news reporters hurried to the airport, only_ the film stars had left. Ato tellBto be toldCtellingDtold57.Helen had to shout _ above the sound of the music. A. making herself hearB. to make herself hearC. making herself heardD.to make herself heard58. I dont know whether you happen , but Im going to study in the U.S.A. this September . Ato be heardBto be hearingCto hearDto have heard59.My advisor encouraged _ a summer course to improve my writing skills. A. for me takingB. me taking C. for me to takeD. me to take60._ two exams to worry about, I have to work really hard this weekend. A. WithB. Besides C. As forD. Because of61.You were silly not _ your car. A. to lockB. to have lockedC. lockingD. having locked62.The flu is believed _ by viruses that like to reproduce in the cells inside the human nose and throat. A. causing B. being causedC. to be causedD. be have caused63.He looked around and caught a man _ his hand into the pocket of a passenger. A. putB. to be puttingC. to putD. putting64.Victor apologized for _ to inform me of the change in the plan. A. his being no ableB. him no to be ableC. his not being ableD. him to be not able65.Suddenly, a tall man driving a golden carriage _ the girl and took her away, _ into the woods. A.seizing; disappearedB.seized; disappearedC.seizing; disappearingD.seized; disappearing66._ the programme, they have to stay there for another two weeks. A.Not completingB. Not completedC.Not having completedD.Having not completed67.Reading is an experience quite different from watching TV; there are pictures _ in your mind instead of before your eyes. A. to form B. formC. formingD. having formed68.Dont leave the water while you brush your teeth . A. run B. running C. being runD. to run69.They see you as something of a worrier, problems which dont exist and crossing bridges long before you come to them. A. settling B. discovering C. seeingD. designing70._ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home. A. To waitB. Have waitedC. Having waitedD.To have waited71.The man insisted_ a taxi for me even though I told him I lived nearby. A. find B. to find C. on finding D. in finding72. The old man, _abroad for twenty years, is on the way back to his motherland. A. to work B. workingC. to have workedD. having worked73.The flowers _ sweet in the botanic garden attract the visitors to the beauty of nature. A. to smellB. smellingC. smelt D. to be smelt74.Having been attacked by terrorists, _. A. doctors came to their rescueB. the tall building collapsedC. an emergency measure was taken D. warnings were given to tourists75.We can t go out in this weather, said Bob, _ out of the window. A. lookingB. to look C. looked D. having looked76.The pilot asked all the passengers on board to remain _ as the plane was making a landing. A. seat B. seating C. seated D. to be seating77.After his journey from abroad, Richard Jones returned home, _. A. exhaustingB. exhaustedC.being exhaustedD.having exhausted78. by the beauty of nature , the girl from London decided to spend another two days on the farm . AAttractingBAttractedCTo be attractedDHaving attracted79.Linda worked for the Minnesota Manufacturing and Mining Company, _ as 3M. A. knowingB. knownC. being knownD. to be known80. Laws that punish parents for their little childrens actions