–Do you know for London tomorrow? At 6:00 o’clock in the morning.A. when did he leaveB.

问题补充：

–Do you know for London tomorrow?

-- At 6:00 o’clock in the morning.

A. when did he leave

B. when he left

C. when is he leaving

D. when he is leaving

答案：

A. when did he leave

B. when he left

C. when is he leaving

(答案→)D. when he is leaving

解析：此题重点考查宾语从句的语序和时态，因tomorrow是将来时间，故用D.