(a)Thesecoatsaredifferent______size.a.fromb.ofc.tod.in(b)Ifhedoesn'tcomtoday,Iwillcallhim______fourthtime.A.aB.theC./D.an(a)He________atonceorhewoulddieinafewhours.a.neededtooperateb.neededtooperatedc.neededtothe

　　(a)Thesecoatsaredifferent______size.

　　a.fromb.ofc.tod.in

　　(b)Ifhedoesn'tcomtoday,Iwillcallhim______fourthtime.

　　A.aB.theC./D.an

　　(a)He________atonceorhewoulddieinafewhours.

　　a.neededtooperateb.neededtooperatedc.neededtotheoperated.neededtobeoperatedon

　　(a)Mysister'sdaughtersleepsalonewiththelight_______.

　　a.brightb.openc.ond.up

　　(a)Couldyoutellme_______,please?

　　a.whatwaswrongwithmyson

　　b.whatiswrongwithmyson

　　c.whatwrongwithmysonis

　　d.whatwrongwithmysonwas

　　(d)You'dbettergotoseeadoctorandhaveyourbadtooth_______out

　　a.pullb.pulledc.topulld.bepulled

　　(b)Asusual,Meihua________at6:30thismorningbyhermothertogetreadyforschool.

　　a.haswokenupb.wokeupc.wakesupd.waswokenup

　　(d)Ithinktravelingbyairis________moreenjoyablethan_______way.

　　a.fay;anyotherb.less;anotherc.many;somed.much;theother

　　(b)______smoke______highintotheairfromthefactorychimneys.

　　a.Srong;movedb.Strong;rosec.Heavy;movedd.Heavy;rose

　　(d)KathyopenedTom'sletterbymistake,________.

　　a.andhehadanexcuseb.havingsomeexcuses

　　c.butshewasexcusedd.butsheexcusedhim

　　(a)________,theytriedeverypossiblemeanstoimprovetheirlivingconditions.

　　a.Inthefollowwsyears

　　b.Intheyearsfollowing

　　c.Intheyearthatfollowed

　　d.Intheyearswhichwasfollowed

　　括号里是我原本错误的答案,我哪里出错了?