— for Beijing?
—Yes, and I’ll e back in two months.
A. Have you left
B. Are you leaving
C. Do you leave
D. Did you leave
网友回答
A. Have you left
(答案→)B. Are you leaving
C. Do you leave
D. Did you leave
解析：考查时态。本题考查的是将来时的表达法，用现在进行时表示将来时，表示的是按照计划安排将要发生的事情，且动词是那些表示位置变化的动词。将要：—你要去北京吗？—是的，我两个月以后才能回来。故B正确。