Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
C
语法题:虚拟语气。
Becauseofthebadweather,thesportsmeethadtobe________.
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
Hisintelligencewill________himtogetascholarshiptocollege.