--bob has gone to california.-oh,can you tell me when he a.has left b.left,c.is leav...--bob has gone to california.-oh,can you tell me when he a.has left b.left,c.is leaving d.would leave.选哪一个?
问题描述：
--bob has gone to california.-oh,can you tell me when he a.has left b.left,c.is leav...
--bob has gone to california.-oh,can you tell me when he a.has left b.left,c.is leaving d.would leave.选哪一个?
答
B
由when引出的问句用过去式。
例如：When did you get there?
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答
B. 问他何时离开的,这个动作是在过去.