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搜题
【单选题】
What's the flight number?A.
B.
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】The young man hurried back because ______.
A.
he remembered he had left something on the train
B.
he realized that he had got off at the wrong station
C.
a passenger was calling him back by his name
D.
a passenger shouted to him that he had left something behind