现在分词作定语，当分词单独做定语时，放在所修饰的名词前,说明其修饰名词的性质或特征,表示供作...之用”和...的”.awalkingstick(astickusedforwalking)drinkingwater(waterfordrinking)awaitingroom(aroomforwaiting)workingpeopletherisingsun1._____dogsseldombite.A.BarkB.TobarkC.BarkedD.Barking2.Thewolfspokeina_____voiceandMr.Dongguofelt______.A.frightening;frightenedB.frightened;frightenedC.frighten;frighteningD.frightening;frightening3.It’spleasuretowatchthefaceofa____baby.A.asleepB.sleepC.sleepingD.slept4.The____buildingsshowedusthatanearthquakewascoming.A.shakingB.shookC.shakenD.shak1.Shecaughtthestudent______(cheat)inexams.2.WhenIgotthere,Ifoundhim_______(repair)farmtools.4.Justthenheheardsomeone______(call)forhelp.6.Themissingboyswerelastseen_______(play)neartheriver.8.Theworkershadthemachines_______(run)allnightlongtofinishtheworkontime.1.____thehouseonfire,hedialed119.A.ToseeB.SeeingC.HavingseenD.Beingseen4.___apostoffice,Istopped____somestamps.A.Passed,buyingB.Passing,tobuyC.Havingpassed,buyD.Pass,tobuy7.____alittlemoney,Jimmywasabletobuyhismotheralovelynewlamp.A.TosaveB.SavingC.SavedD.Havingsaved11.Theresultofthetestwasrather_____.A.disappointedB.disappointingC.beingdisappointedD.disappoint13._____howtodothehomework,Iwenttoaskmyteacherforhelp.A.NottoknowB.NotknowingC.KnowingnotD.Notknown16.____theoffice,theforeignvisitorswereshownroundtheteachingbuilding.A.HavingshownB.ShowingC.HasshownD.Havingbeenshown17.Hewentfromdoortodoor,____wastepapersandmagazines.A.gatheringB.gatheredC.gatherD.beinggathered18.Thestudentcorrectedhispapercarefully,____theprofessor’ssuggestions.A.followB.followingC.followedD.beingfollowed20.People____inthecitydonotknowthepleasureofcountrylife.A.liveB.toliveC.livedD.living27.Aperson_____aforeignlanguagemustbeabletousetheforeignlanguage,______allabouthisown.A.tolearn,toforgetB.learning,toforgetC.tolearn,forgettingD.learning,forgetting28.___differentkindsofpianos,theworker’sfartherimprovedtheirquality.A.ToproduceB.BeingproducedC.ProducedD.Havingproduced31.___manytimes,hestillco