问题
选择题
—Could you tell me _____?
—By underground. [ ]
A. how did you come here
B. how you came here
C. when did you come here
D. when you came here
答案
答案：B
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—Could you tell me _____?
—By underground. [ ]
A. how did you come here
B. how you came here
C. when did you come here
D. when you came here
答案：B