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题目内容
（广东开放大学大英B（本22秋））
If you want to change a booking，you may have to pay ______
选择一项：
A. 10% of the ticket price
B. a fee of $150 to $ 200
C. half the ticket price
D. a fixed fee
选择一项：
A. 10% of the ticket price
B. a fee of $150 to $ 200
C. half the ticket price
D. a fixed fee
参考答案