—Could you meet me at the airport?—I’d like to，but I Shanghai when you return.
A. will have left
B. was leaving
C. will leave
D. have left
网友回答
(答案→)A. will have left
B. was leaving
C. will leave
D. have left
解析：根据上下语境考查时态。问句提供了将来这一时间概念，后句中 when you return 指将来到达之前，故用将来完成时。