The worried general was looking at the map when the idea of the enemy’s attack might be launched ______dawn ______ his mind.
A.at; crossed
B.at; to cross
C.before; came across
D.after; went over
网友回答
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。