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()16.________theclouds,youwouldfindtheairplaneintheskyeasily.A．HaditnotbeenforB．ItwerenotforC．IfithadnotbeenforD．Wereitnotfor16．D。were提前if省略，对现在情况的虚拟。()17.________sobusy，shewouldcometohelpyou.A．ShouldmydaughterB．WasmydaughternotC．IfmydaughterwerenotD．Ifmydaughterisn't17．C。这是与现在事实不符的句式结构。A答案少了be动词。Shouldmydaughternotbesobusy；B答案was不能引起if的省略。D答案没有用到虚拟语气。()18.IfI________plantodoanythingIwantedto，I'dliketogotoTibetandtravelthroughasmuchofitaspossible.A．wouldB．couldC．hadtoD．oughtto18．B。could表示一种能力，或可行性。但实际情况是与之相反。()19.WithoutthehelpofmyEnglishteacher,I________theEnglishexam.A．wouldnotpassB．wouldnothavepassedC．wouldpassD．wouldhavepassed19．B。without的意思为“没有”，表示假设。使用虚拟语气。()20.IdidnotregretsayingwhathehaddonewiththemoneybutfeltI________itinanotherway.A．couldexpressB．wouldexpressC．couldhaveexpressedD．musthaveexpressed20．C。句子意思是“我不后悔说……但是觉得应该以不同的方式表达”，与事实相反。()21.—Don’tyouthinkitnecessarythatthemeeting________？—Iagree,buttheproblemis________hehasrefusedto.A．willnotbeputoff;thatB．notbeputoff;thatC．shouldnotputoff;whatD．shouldnotputoff;that21．B。necessary作形式宾语it的宾语补足语，表示说话人的主观看法。that所引导的宾语从句中的谓语动词常用“(should)＋动词原形”结构表示主观看法或愿望。使用虚拟语气。()22.Thanksalotforallyourkindness,Idon’tthinkwe________itwithoutyou.A．canmanageB．couldhavemanagedC．couldmanageD．canhavemanaged22．B。“without”表示虚拟条件。使用虚拟语气。()23.—Congratulations!—Thankyou.Butforyourhelp,we________intheexperiment.A．willneversucceedB．shouldn’thavesucceededC．couldn’thavesucceededD．mustn’thavesucceeded23．C。句子意思：——祝贺！——谢谢你！要不是你的帮助，我们的实验是不会成功的。根据“Butforyourhelp”可知要使用虚拟语气，couldn’thavesucceeded意为“本来不可以成功”。()24.________thehelpfromthedoctor，thelittleboy________losthismother.A．Apartfrom；shouldhaveB．Without；不填C．Butfor；wouldhaveD．Exceptfor；wouldhave24．C。含蓄虚拟句。“apartform”相当于“except/besides”；“exceptfor”表示“排除，除了”。()25.Itisstrangethathe________acttowardhisparentslikethat.A．couldB．mightC．shouldD．would25．C。Itisnecessary/important/strangethat...，谓语动词用should＋动词原形。should在此句式中有表示“竟然”等惊讶的含义。()26.WhatdoyouthinkofMr.Smith’sproposalthatwe________haveaget－togethernextSaturday?A．wouldB．不填C．willD．can26．B。that引导的从句用作proposal“建议”的同位语，谓语动词用“(should)＋动词原形”形式。()27.Ifthesafetyprecautions(措施)againsttheaccidents________takenin，theminers________achanceofsurvivingthen.A．were；wouldhaveB．were；willhaveC．hadbeen；didn'thaveD．hadbeen；wouldhavehad27．D。句末then“那时”的出现表明事情应该是过去。句意：如果那时事故的安全措施被采纳矿工就有可能生还。()28.—Givenmoremoney，we________theexperimentbetter.—Don'tcomplainanymore.A．willdoB．woulddoC．wouldhavedoneD．did28．C。由后句“Don'tcomplainanymore”提示得知前面的语境应该是假设而来。且与过去事实不符。()29.Evenifhe________herehimself,he________knowwhattodo.A．were;didnotB．was;wouldnotC．were;shouldnotD．was;seldom29．C。evenif引导的让步状语从句中，可用虚拟语气，主句、从句的结构与if所引导的条件从句结构相同。()30.—Thetrafficwassobad.I________homeby6o'clock，otherwise.—Whatapity!Henrywasheretoseeyou.A．wouldbeB．mightbeC．couldbeD．shouldhavebeen30．D。“otherwise”表示否则的含义。虚拟语气。()31.Thankyouforgivingmeahand.I________intheexperimentwithoutyourvaluablehelp.A．havefailedB．willfailC．wouldhavefailedD．musthavefailed31．C。“without”含蓄虚拟条件句的一种。表示一种虚拟的情况。()32.—Hadwebeenmorecareful，theaccidentmightnothavehappened.—Butwe________atthattime.A．hadn'tB．didn'tC．weren'tD．mightnot32．C。上句使用了虚拟语气“如果我们更小心些，这个事故就不会发生”。第二句but表示转折，相当于“Butwewerenotcareful”，陈述事实。故使用陈述语气。()33.—DoyoumindifIopenthewindow?—________Ifeelabitcold.A．Ofcoursenot.B．I’dratheryoudidn’t.C．Goahead.D．Whynot?33．B。从上下文可以得知这里说话人表示不同意，在wouldrather后使用虚拟语气。故选B。()34.Theguardatthegateinsistedthateverybody________therules.A．obeyedB．obeyC．willobeyD．mustobey34．B。insist表示“坚持”，其后的宾语从句使用虚拟语气，使用(should)＋动词原形。()35.Therewasplentyoftime.She________.A．mustn'thavehurriedB．couldn'thavehurriedC．mustnothurryD．needn'thavehurried35．D。needn'thavedone意为“本不必”，即已经做了某事，而实际上不必要。mustn'thavedone用法不正确，对过去发生的事情进行否定性推断应为couldn'thavedone“不可能已经”。mustnotdo不可以(用于一般现在时)。()36.Thelatestdataputforwardbythestatessuggestedthatthebusiness________improving.A．wasB．beC．beingD．should36．A。该句中suggest意为“表明，暗示”，不使用虚拟语气而是陈述语气。故选A。()37.HowIwisheveryfamily________alargehousewithabeautifulgarden!A．hasB．hadC．willhaveD．hadhad37．B。在wish后的宾语从句中表示与现在相反的事实，谓语动词使用过去式。