I for Beijing next Saturday. Do you know when the earliest plane on Saturday?
A. am leaving; takes off
B. Leave; takes off
C. leave; is taking off
D. am leaving; is taking off
网友回答
(答案→)A. am leaving; takes off
B. Leave; takes off
C. leave; is taking off
D. am leaving; is taking off
解析：答案：A 考查时态。第一空用现在进行时表将来；第二空飞机航班时刻表用一般现在时。