中国石油大学 / 中石油
正确率：100%
5. – Which flight do you want? -- _______________
A、I like flying.
B、May I book a ticket?
C、I’m sorry.
D、The morning flight.
A、I like flying.
B、May I book a ticket?
C、I’m sorry.
D、The morning flight.
参考答案：