1.Ifcitynoises____fromincreasing，people____shouttobeheardevenatdinner．A．a(chǎn)renotkept；willhavetoB．a(chǎn)renotkept；haveC．donotkeep；willhavetoD．donotkeep；haveto2.Thefifthgenerationcomputers,withartificialintelligence,are____andperfectednow.A.developed

B.havedevelopedC.arebeingdevelopedD.willhavebeendeveloped3.____thesportsmeetmightbeputoff．Yes，italldependsontheweather．A．I'vebeentold

B．I'vetoldC．I'mtoldD．Itold4.Ineedonemorestampbeforemycollection___.A.hascompletedB.completesC.hasbeencompleted

D.iscompleted5.Rainforests___andburnedatsuchaspeedthattheywilldisappearfromtheearthinthenearfuture.A.cut

B.arecutC.arebeingcut

D.hadbeencut6.Thenewsuspensionbridge___bytheendoflastmonth.A.hasbeendesignedB.hadbeendesignedC.wasdesigned

D.wouldbedesigned7.Whenapencilispartlyinaglassofwater,itlooksasifit____.A.breaksB.hasbrokenC.wasbrokenD.hadbeenbroken8.Greatchanges___inthecity,andalotoffactories___.A.havebeentakenplace;havebeensetupB.havetakenplace;havebeensetupC.havetakenplace;havesetupD.weretakenplace;weresetup9.Thatsuit__over60dollars.A.hadcostedB.costedC.iscostedD.cost10.Look!Everythinghereisunderconstruction.What’stheprettysmallhousethat__for?A.isbeingbuiltB.hasbeenbuiltC.isbuiltD.isbuilding11.Doyoulikethematerial?Yes,it___verysoft.A.isfeelingB.feltC.feels

D.isfelt12.Itisdifficultforaforeigner____Chinese．A．writeB．towriteC．tobewrittenD．written13.Ihavenomoreletters____，thankyou．A．totypeB．typingC．tobetypedD．typed14.Takecare!Don’tdroptheinkonyourshirt,forit__easily.A.won’twashoutB.won’tbewashedoutC.isn’twashedoutD.isn’twashingout15.Nobodynoticedthethiefslipintothehousebecausethelightshappenedto___.A.beputupB.giveinC.beturnedonD.goout16.Thecomputersonthetable___ProfessorSmith.A.belongsB.arebelongedtoC.belongstoD.belongto17.Whatdoyouthinkofthebook?Oh,excellent.It’sworth___asecondtime.A.toreadB.tobereadC.readingD.beingread18.Thesquirrelwasluckythatitjustmissed___.A.catchingB.tobecaughtC.beingcaughtD.tocatch19.Thispageneeded___again.A.beingcheckedB.checkedC.tocheckD.tobechecked20.___manytimes,theboystilldidn’tknowhowtodotheexercisesA.HavingtaughtB.HavingbeentaughtC.taughtD.Teaching21)Itissaidthatanewrobot____byhiminafewdays.A)designed

B)hasbeendesignedC)willbedesignedD)willhavebeendesigned22)Wearelate.Iexpectthefilm____bythetimewegettothecinema.A)willalreadyhavestartedB)wouldalreadyhavestartedC)shallhavealreadystartedD)hasalreadybeenstarted

23)Shewillstopshowingoffifnonotice____ofher.A)istakenB)takesC)willbetakenD)hastaken24)Diamond____inBrazilin1971.A)isfoundB)hasbeenfoundC)wasfoundD)hadbeenfound25)“Haveyoumovedintothenewflat?”“Notyet.Theroom____.”A)hasbeenpaintedB)ispaintedC)paints

D)isbeingpainted26)Mypictures____untilnextFriday.A)won'tdevelop

B)aren'tdevelopedC)don'tdevelop

D)won'tbedeveloped27)Tim____sincehelosthisjobthreeweeksago.A)hadbeenunemployed

B)wasunemployedC)hasbeenunemployed

D)hasunemployed28)Agreatnumberofcollegesanduniversities____since1949.A)hasbeenestablishB)havebeenestablishedC)haveestablished

D)hadbeenestablished29)I'llhavetopushthecartothesideoftheroadbecausewe____ifweleaveithere.A)wouldbefinedB)willbefinedC)willbeingfinedD)willhavebeenfined30)“____twoticketsforthenewplayattheGrandTheatreonSaturday.Shallwegoandseeittogether?”A)TheyhavebeengivenB)IhavebeengivenC)Iamgiven

D)Theyhavegiventome31)Thesubjectoftheselectures____bythelecturecommittee.A)isannounced

B)havebeenannouncedC)areannounced

D)hasbeenannounced32)Ifoundanaspirinbottle____droppedonthefloorofDavid'sroom.A)wasB)hadC)hadbeenD)is33)Thegoods____whenwearrivedattheairport.A)werejustunloadingB)werejustbeenunloadingC)hadjustunloadedD)werejustbeingunloaded34)Ifone____bypride,hewillrejectusefuladviceandfriendlyassistance.A)overcomes

B)isovercomeC)hasbeenovercomeD)overcome35)Mostenvironmentproblemsexistbecauseadequatemeasuresforpreventingthem____takeninthepast.A)wasnotB)werenotC)werenotbeingD)hadnotbeen36)Yououghttohaveputthemilkintherefrigerator,now____sour.A)IsmellB)itissmeltC)itsmellsD)itissmelling37)Aftertherace____,thecelebrationbegan.A)hadbeenwonB)iswonC)willbewonD)hasbeenwon38)Hewashereforalittlewhile,butIdon'tknowwhereshe____now.A)isB)wasC)hadbeenD)hasbeen39)Theyoungteacherhas____competent.A)beenprovedtobeB)provedtobeC)beenproved

D)provedbeing40)Pluto,theoutermostplanetofthesolarsystem,____photographicallyinMarch1930.A)discovered

B)wasdiscoveredC)bydiscoveryD)whendiscovered41)Togetabetterviewofthestage,____.A)ourseatshadtobechanged

B)ourseatswerechangedC)wehadtochangeourseats

D)ourseatswerechangedbyus42)Aftersynthetic____,engineershadabetterchoiceofmaterial.A)created

B)hascreatedC)hasbeencreatedD)hadbeencreated43)Ithinkmuchattention____yourpronunciation.A)mustbepaidtoB)oughttobepaidtoC)mustpayto

D)shouldbepaidto44)Since1970,millionsofenthusiasts____VitaminC,whichtheybelievecanremedythecommoncold.A)havetaken

B)havebeentakenC)havebeentakingD)havebeentaking45)Idon'tremember____thechancetotrythismethod.A)havingbeengivenB)tohavebeengivenC)havinggiven

D)tohavegiven46)Wecouldasksomeonetodotheworkprivatelywithoutit____.A)knowB)beknownC)beingknownD)tobeknown47)Theconstructionofthelaboratory____bytheendofnextmonth.A)mustbecompleted

B)musthavebeencompletedC)willbecompleting

D)willhavebeencompleting48)TheywouldtellhowtheAfrican____onashiptoanAmericanport.A)wasbrought

B)couldhavebeenbroughtC)hadbeenbroughtD)wastobebrought49)Hedoesnotpossessabicycle,thisoneheuses____toPeter.A)isbelongedtoB)belongedC)belongsD)isbelonging50)Negotiation____againwithMoscowtomorrow,agreateventwillbediscussedthen.A)istobeopenedB)isonthepointofopeningC)isgoingtoopenD)opens51)Thereasonforallthechangesbeingmade____tousyet.A)hasnotexplainedB)hasnotbeenexplainedC)didnotexplainedD)werenotexplained52)Experimentsinthephotographyofmovingobjects____inboththeUnitedStatesandEuropewellbefore1900.A)wereconducting

B)wereconductedC)hadbeenconductedD)hadconducted

53)Whenheturnedthecorner,hefoundhimself____byamaninblack.A)tailedB)beentailedC)wastailedD)hadbeentailed54)Acandidateforthedemocraticpresidentialnomination____atthismoment.A)isinterviewing

B)beinginterviewedC)isbeinginterviewedD)interviewing55)Asweapproachedtheworksite,theworkerswereseen____thenewhouse.A)buildingB)buildC)builtD)tobuild56)Asweknow,alltheregulationsinschool____.A)mustkeeptoB)mustbekeptC)must