问题
选择题
Hurry up! The train ______. You know it ______ at 8:30 am.
A．leaves; leaves
B．is leaving; is leaving
C．leaves; is leaving
D．is leaving; leaves
答案
答案：D
题目分析： 考查动词的时态。根据语境，是指火车马上就在开，正在进行时表将来。第二空，在叙述一个客观事实。题意 快点，火车马上要开了。你知道它在八点半开。
考点 动词的时态