— Space travel must be very very expensive. — . The cost of a seat on the Virgin craft is $ 250,000. 单选题 (10 分) 10分 A. That’s not true. B. Of course. C. Why do you think so?

— Space travel must be very very expensive.

— . The cost of a seat on the Virgin craft is $ 250,000.
单选题 (10 分) 10分
A.
That’s not true.

B.
Of course.

C.
Why do you think so?

出自：国家开放大学理工英语4

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