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题目内容
（河南经贸职业学院-经贸英语）
9[单选题,5分]
Sometimes a bus _______ gets on the bus and checks the tickets.
A.officer
B.conductor
C.agent
D.driver
Sometimes a bus _______ gets on the bus and checks the tickets.
A.officer
B.conductor
C.agent
D.driver
参考答案