中国石油大学 / 中石油
正确率：100%
4. – How much is the air ticket? -- ________________
A、It’s 150 dollars.
B、Which flight do you like?
C、Nice talking with you.
D、See you.
A、It’s 150 dollars.
B、Which flight do you like?
C、Nice talking with you.
D、See you.
参考答案：
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