大学英语四级词汇与结构（五）思维导图

七。情态动词+完成形式、时态的考点1.We_____ourbreakfastwhenanoldmancametothedoor.A）justhavehadB）havejusthadC）justhadD）hadjusthad2.You_____allthosecalculations！Wehaveacomputertodothatsortofthing.A）needn'thavedoneB）mustnothavedoneC）shouldn'thavedoneD）cannothavedone3.Bytheendofthismonth，wesurely_____asatisfactorysolutiontotheproblem.A）havefoundB）willbefindingC）willhavefoundD）arefinding4.Itseemsoil_____fromthispipeforsometime.We'llhavetotakethemachineaparttoputitright.A）hadleakedB）hasbeenleakingC）leakedD）isleaking5.Onceenvironmentaldamage_____，ittakesmanyyearsforthesystemtorecover.A）isdoneB）istodoC）doesD）hasdone6.Mary'sscoreonthetestisthehighestinherclass；she______havestudiedveryhard.A）mayB）shouldC）mustD）oughtto7.Withallthisworkonhand，he_____tothecinemalastnight.A）mustn'tgoB）wouldn'tgoC）mustD）oughtto8.Hecamebacklate，______whichtimealltheguestshadalreadyleft.A）afterB）byC）atD）during9.Itwasverykindofyoutodothewashingup，butyou_____it.A）mustn'thavedoneB）wouldn'thavedoneC）mightn'thavedoneD）didn'thavetodo10.You_____herinherofficelastFriday；she'sbeenoutoftownfortwoweeks.A）needn'thaveseenB）musthaveseenC）mighthaveseenD）can'thaveseen11.thefifthgenerationcomputers，withartificialintelligence，_____andperfectednow.A）developedB）havedevelopedC）arebeingdevelopedD）willhavebeendeveloped12.It'sreportedthatbytheendofthismonththeoutputofcementinthefactory_____byabout10%.A）willhaverisenB）hasrisenC）willberisingD）hasbeenrising13.SirDenis，whois78，hasmadeitknownthatmuchofhiscollection_____tothenation.A）hasleftB）istoleaveC）leavesD）istobeleft14.Beforethefirstnon-stopflightmadein1949，it_____necessaryforallplanestolandforrefueling.A）wouldbeB）hasbeenC）hadbeenD）wouldhavebeen15.Theroomisinaterriblemess；it_____cleaned.A）can'thavebeenB）shouldn'thavebeenC）mustn'thavebeenD）wouldn'thavebeen16.Untilthen，hisfamily_____fromhimforsixmonths.A）didn'thearB）hasn'tbeenhearingC）hasn'theardD）hadn'theard17.Theconference_____afullweekbythetimeitends.A）musthavelastedB）willhavelastedC）wouldlastD）haslasted18.GreatasNewtonwas，manyofhisideas_____todayandarebeingmodifiedbytheworkofscientistsofourtime.A）aretochallengeB）maybechallengedC）havebeenchallengedD）arechallenging19.I'dratherreadthanwatchtelevision；theprogramsseem_____allthetime.A）togetworseB）tobegettingworseC）tohavegotworseD）gettingworse20.MytrainarrivesinNewYorkateighto'clocktonight.TheplaneIwouldliketotakefromthere_____bythen.A）wouldleaveB）willhaveleftC）hasleftD）hadleft21.Researchfindingsshowwespendabouttwohoursdreamingeverynight.Nomatterwhatwe_____duringtheday.A）shouldhavedoneB）wouldhavedoneC）mayhavedoneD）musthavedone22.Hemusthavehadanaccident，orhe_____then.A）wouldhavebeenhereB）hadtobehereC）shouldbehereD）wouldbehere23.Itwasessentialthattheapplicationforms_____backbeforethedeadline（截止日期）。

#P#

A）mustbesentB）wouldbesentC）besentD）weresent24.Wedesirethatthetourleader_____usimmediatelyofanychangeinplans.A）informB）informsC）informedD）hasinformed25.LookattheterriblesituationIamin！IfonlyI_____youradvice.A）followB）hadfollowedC）wouldfollowD）havefollowed26.Itisrecommendedthattheproject_____untilallthepreparationshavebeenmade.A）notbestartedB）willnotbestartedC）isnotstartedD）isnottobestarted27.Wedidn'tknowhistelephonenumber，otherwisewe_____him.A）hadtelephonedB）musthavetelephonedC）wouldtelephoneD）wouldhavetelephoned28.Hadheworkedharder，he_____theexams.A）musthavegotthroughB）wouldgetthroughC）wouldgetthroughD）wouldhavegotthrough29.Idon'tthinkitadvisablethatTim_____tothejobsincehehasnoexperience.A）beassignedB）willbeassignC）isassignedD）hasbeenassigned30.Ifthewholeoperation_____beforehand，agreatdealoftimeandmoneywouldhavebeenlost.A）wasnotplannedB）hasnotbeenplannedC）hadnotbeenplannedD）werenotplanned31.ascommander-in-chiefofthearmedforces，Ihavedirectedthatallmeasures_____forourdefense.A）hadbeentakenB）wouldbetakenC）betakenD）tobetaken32.Weareallforyourproposalthatthediscussion______.A）beputoffB）wasputoffC）shouldputoffD）istoputoff33.______formyillness，Iwouldhavelenthimahelpinghand.A）NotbeingB）HaditnotbeenC）WithoutbeingD）Nothavingbeen34.Tobefrank，I'dratheryou_____inthecase.A）willnotbeinvolvedB）notinvolvedC）nottobeinvolvedD）werenotinvolved35.Itispolitelyrequestedbythehotelmanagementthatradios_____after11o'clockatnight.A）werenotplayedB）nottoplayC）notbeplayedD）didnotplay36.Jeandoesn'twanttoworkrightawaybecauseshethinksthatifshe_____ajobsheprobablywouldn'tbeabletoseeherfriendsveryoften.A）hastogetB）weretogetC）hadgotD）couldhavegot37._____rightnow，shewouldgetthereonSunday.A）WouldsheleaveB）IfsheleavesC）WereshetoleaveD）Ifshehadleft38.It'salready5o'clocknow.Don'tyouthinkit'sabouttime_____？

A）wearegoinghomeB）wegohomeC）wewenthomeD）wecangohome39._____beforewedepartthedayaftertomorrow，weshouldhaveawonderfuldinnerparty.A）HadhearrivedB）WouldtheyarriveC）WeretheyarrivingD）Weretheytoarrive40.Itisimportantthatenoughmoney_____tofundtheproject.A）becollectedB）mustbecollectedC）wascollectedD）canbecollected

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