问题补充:
单选题Theworriedgeneralwaslookingatthemapwhentheideaoftheenemy’sattackmightbelaunched______dawn______hismind.A.at; crossedB.at; to crossC.before; came acrossD.after; went over
答案:
A解析第一空考查介词的搭配,at dawn“在黎明”,第二空需要谓语动词cross“穿过”,came across遇上, went over 复习,不符合句意,句意是:担忧的将军正看着地图,这时他土壤想到,敌人有可能在黎明发动战争。选A。