问题
选择题
—Could you tell me ______?
—Sorry, I don't know.[ ]
A. when does the train arrive
B. when the train arrives
C. when arrives the train
D. the train when arrives
答案
答案：B
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—Could you tell me ______?
—Sorry, I don't know.[ ]
A. when does the train arrive
B. when the train arrives
C. when arrives the train
D. the train when arrives
答案：B