问题
单项选择题
When I came through the customs at the airport, I had to pay（）on a clock I had bought.
A.taxes
B.duty
C.fines
D.fees
答案
参考答案：C
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When I came through the customs at the airport, I had to pay（）on a clock I had bought.
A.taxes
B.duty
C.fines
D.fees
参考答案：C