Hurry up! The train. You know itat 8: 30 am.A. leaves; leavesB. is leaving; leavesC. leav

问题补充：

Hurry up! The train. You know, itat 8: 30 am.

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：句意：快点！火车就要开了。你知道它每天上午8: 30离开。第一个空，现在进行时表示马上就要发生的动作；表示按时间表将要发生的动作，用一般现在时，选B。