When ( ) you ( ) beijing? Tomorrow. A.do ;leave for B.were ;leaving for C.did; leave ford.are ;leaving for

问题描述:

When ( ) you ( ) beijing? Tomorrow. A.do ;leave for B.were ;leaving for C.did; leave for
d.are ;leaving for

d

D 现在进行时be doing 表示将来

When ( ) you ( ) beijing?Tomorrow.
A.do ;leave for B.were ;leaving for C.did; leave ford.d.are ;leaving for
【D】 这里leave可以用doing形式表示将来含义