I Beijing for Shanghai in a few days. Do you know when the earliest plane ?A. leaves; tak

问题补充：

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

答案：

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。