问题
选择题
— How long did it _____ the conductor to check the tickets this morning?
— Half an hour.[ ]
A. pay
B. cost
C. spent
D. take
答案
答案：D
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— How long did it _____ the conductor to check the tickets this morning?
— Half an hour.[ ]
A. pay
B. cost
C. spent
D. take
答案：D