1.Annawasreadingapieceofsciencefiction,completely_D_totheoutsideworld. 　　A.havingbeenlost 　　B.tobelost 　　C.losing 　　D.lost 　　PS:completelylosttotheoutsideworld这一句省略了主语,和前一句公用了主语,加上主语就很清楚了.Annacompletelylosttotheoutsideworld 　　2.Thedoctorhadalmostlosthopeatonepoint,butthepatientfinally_B_. 　　A.pulledout 　　B.pulledthrough 　　C.pulledup 　　D.pulledover 　　PS:pulledthrough指渡过难关! 　　病人最终挺过来了 　　3.Iwasalawystaughtthatitwas_A_tointerrupt. 　　A.rude 　　B.coarse 　　C.rough 　　D.crude 　　PS:rude粗鲁无礼的 　　我常被教导,打断别人是不礼貌的. 　　4.I_A_thebookIwantedtofindbeforeIleftthebookstore. 　　A.caughtsightof 　　B.caughgt 　　C.gothold 　　D.lostsightof 　　PS:catchsightof突然看见某物 　　5.Theyalwaysgivethevacantseatsto_A_comesfirst. 　　A.whoever 　　B.whomever 　　C.who 　　D.whom 　　6.Itishightimethatsuchpractices_C_. 　　A.areended 　　B.beended 　　C.wereended 　　D.mustbeended 　　7.Afireenginemusthavepriorityasitusuallyhastodealwithsomekindof_C__. 　　A.precaution 　　B.crisis 　　C.emergency 　　D.urgency 　　8.Hewroteabout90__D_. 　　A.poetry 　　B.poetries 　　C.poetrys 　　D.poems 　　9.Beforeyouleave,please__B_allthewindowsareclosed. 　　A.sure 　　B.makesure 　　C.certain 　　D.assure 　　10.Thesoldierrisked_D__tosavethechild. 　　A.hislife 　　B.tolosehislife 　　C.life 　　D./ 　　11.Wouldn’tyouratheryourchild__B_tobedearly? 　　A.go 　　B.went 　　C.wouldgo 　　D.goes 　　Wouldrather虚拟语气 　　12.Manypeoplecomplainoftherapid__B_ofmodernlife. 　　A.rate 　　B.pace 　　C.speed 　　D.growth 　　13.Hiswifeisconstantlyfinding_C__withhim,whichmakeshimveryangry. 　　A.errors 　　B.shortcomings 　　C.fault 　　D.flaw 　　14.Theshopassistantwasdismissedasshewas__A_ofcheatingcustomers. 　　A.accused 　　B.charged 　　C.scolded 　　D.cursed 　　15.Mechanics_A__aconceptinphysics. 　　A.is 　　B.are 　　C.was 　　D.were 　　16.It’sdifficultto_A__herfromhersister. 　　A.differ 　　B.distinguish 　　C.saidto 　　D.spoketo 　　17.Doyouthinkthatthequalityoftheproductissuperior__D_thatone’s? 　　A.than 　　B.above 　　C.over 　　D.to 　　besuperiorto固定用法 　　18.Mike’suncleinsists__D_inthishotel. 　　A.stayingnot 　　B.nottostay 　　C.ththewouldnotstay 　　D.thathenotstay 　　insist虚拟语气 　　19.He_B__overastump,nearlyfallingontotheground. 　　A.passed 　　B.stumbled 　　C.bumped 　　D.walked 　　20.Suchcrimesmaybesocomplexthatmonthsoryearsgobybeforeanyone_D__them. 　　A.discovered 　　B.willdiscover 　　C.wouldhavediscovered