1.Pleaseexcuseme______yourletterbymistake.A.toopenB.tohaveopenedC.foropeningD.inopening2.CertainlyIpostedyourletter—Iremember______it.A.postingB.topostC.tobepostingD.haveposted3.Theymustbeathome—there’salight______inthebedroom.A.toshineB.tobeshiningC.shiningD.havingshined4.Ifthecarwon’tstart,______it.A.trypushB.trypushingC.totrypushingD.totrytopush5.MrSmithdislikes______suchclothesbuthiswifelikes_____them.A.towear,towearB.towear,wearingC.wearing,towearD.wearing,wear6._____isagoodformofexerciseforbothyoungandold.A.WalkB.WalkingC.ThewalkD.Towalk7.Whenyou’relearningtodrive,_____agoodteachermakesabigdifference.A.haveB.havingC.andhaveD.andhaving8._____thisreport_____insuchashorttimewasquiteadifficultexercise.A.Getting,doneB.Get,doneC.Toget,todoD.Getting,todo9.Iregret_______whatIsaid.Ishouldn’thavesaidit.A.tosayB.sayingC.tobesayingD.said10.Ishallneverforget_______theAlpsforthefirsttime.Itwasreallybeautiful.A.toseeB.seeingC.sawD.beingseeing11.Inthewholeinterview,hetriedtoavoid_______theirquestions.A.toanswerB.answeringC.tohaveansweredD.havinganswered12.Hewasluckyandnarrowlymissed_______.A.toinjureB.injuringC.tobeinjuredD.beinginjured13.Iunderstand_______todiscussthematter.A.yournotwantingB.notyourwantingC.younottowantD.youtonotwant14.Don’tbelate.Noonewouldlike________.A.tobekeptwaitingB.beingkeptwaitingC.tobekepttowaitD.beingkepttowait15.Hecan’tmakehimself_______.HisspokenEnglishreallyneeds________.A.understand,improvingB.understood,improvingC.understand,toimproveD.understood,toimprove
