四级语法题练习库IAshipwithaheavyloadoftimberisreportedtohavesunk_____thecoastofCalifornia.A.offB.onC.atD.inArrivingatthebusstop,_____waitingthere.A.alotofpeoplewereB.hefoundalotofpeopleC.alotofpeopleD.peoplewerefound_____yourtimelyadvice,Iwouldneverhaveknownhowtogoaboutthework.A.UnlessB.ButforC.ExceptforD.NotforWecanassignthetaskto_____iscapableandtrustworthy.A.whomeverB.whoC.whomD.whoever_____regulartraininginnursing,shecouldhardlycopewiththeworkatfirst.A.NotreceivedB.SincereceivingC.HavingreceivedD.NothavingreceivedSobadly_____inthecaraccidentthathehadtostayinhospitalforafewmonths.A.didheinjureB.injuredhimC.washeinjuredD.hewasinjuredThecountry’schiefexportsarecoal,carsandcottongoods,cars_____themostimportantofthese.A.havebeenB.areC.beingD.arebeingItwasrecommendedthatpassengers_____smokeduringtheflight.A.notB.neednotC.couldnotD.wouldnot“Shemustbeinthedormitorynow.”“No,she_____bethere.Isawherintheclassroomaminuteago.”A.mustn’tB.can’tC.couldn’tD.wouldn’t_____humanproblemsthatrepeatthemselvesin_____liferepeatthemselvesin_____literature.A./,/,theB./,the,/C.The,/,/D.The,the,theOnlytakesuchclothes_____reallynecessary.A.aswereB.astheyareC.astheywereD.asare_____youwerebusy,Iwouldn’thavebotheredyouwithmyquestions.A.IfIrealizedB.HadIrealizedC.IrealizedthatD.AsIrealizedShehastakengreatpainstoconcealheremotions,andtherebymadethem_____conspicuous.A.allthemoreB.allthemuchC.allmoreD.allmuchHe_____the8:20busbecausehedidn’tleavehometill8:25.A.couldn’thavecaught.B.oughttohavecaughtCshouldn’thavecaughtD.mustnothavecaught_____isoftenthecasewithanewidea,muchpreliminaryactivityandoptimisticdiscussionproducednoconcreteproposals.A.ThatB.ItC.ThisD.AsMostpeoplecan’tget_____thedaywithoutatleastonecupofteaorcoffee.A.onB.throughC.overD.byHenoticedthehelicopterhoveringoverthefield.Thentohisastonishment,hesawaropeladder_____outandthreemenclimbingdownit.A.throwingB.beingthrownC.havingthrownD.havingbeenthrownHeresented_____towait.Heexpectedtheminister_____himatonce.t