I Beijing for Shanghai in a few days. Do you know when the earliest plane ?
A. leaves; takes off
B. am leaving; takes off
C. leave; is taking off
D. am leaving; is taking off
网友回答
A. leaves; takes off
(答案→)B. am leaving; takes off
C. leave; is taking off
D. am leaving; is taking off
解析：
这题考查时态，第一句时间是in a few days几天后，所以用进行时表将来时，第二句话问最早的飞机什么时候起飞，英语中：飞机，火车，汽车按时间表出发，到达，用一般现在时表将来时。