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.