-() ? The round-trip air fare for a person is only $188.

科目名称：管理英语1

试卷号：23895

题型：交际用语(单选题)

题目：-() ? The round-trip air fare for a person is only $188.

选项：A. How much does the airplane cost B. How much does the trip cost C. What is the exact air fare

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答案：C. What is the exact air fare