单项选择题
Conversation 1
A.The 14:00 flight. B.The 17:20 flight. C.The 19:30 flight. D.The 16:00 flight.
A.To Paris. B.To Rome. C.To London. D.To Berlin.
A.The price is not on the tag. B.$ 15. C.$ 5. D.$ 50.