皮皮学，免费搜题
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搜题
【简答题】
Match Column A with Column B A. Entrance B. Exit C. Staircase D. Booking Office E. Escalator F. Reception Desk G. Inquiry H. Luggage Office I. Cash Desk J. Customs
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皮皮学刷刷变学霸
举一反三
【单选题】Do you know ________? [ ]
A.
when will he come back
B.
when he will come back
C.
when does he come back
D.
he will come back when