问题补充:
Hurry up! The train . You know it at 8:30.
A. leaves; leaves
B. is leaving; leaves
C. leaves; is leaving
D. is leaving; is leaving
答案:
A. leaves; leaves
(答案→)B. is leaving; leaves
C. leaves; is leaving
D. is leaving; is leaving
解析:第一空用进行时表将来时,表示火车就要离开;第二空是火车出发的固定时间,故用一般现在时。故选B。句意:快点!火车就要出发。你知道火车在8:30发车。