题目内容
—Could you tell me _____?
—Certainly. In half an hour.
—Certainly. In half an hour.
[ ]
A. when will the train to Beijing leave
B. when the train to Beijing would leave
C. when the train to Beijing left
D. when the train to Beijing leaves
B. when the train to Beijing would leave
C. when the train to Beijing left
D. when the train to Beijing leaves
D
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