单项选择题
Conversation 2
A. To book a room. B. To arrange an exhibition. C. To reserve a seat on a plane. D. To buy a ticket for a play.
A.The test took too much time. B.Nobody can answer every question correctly. C.There is no reason to worry about the test. D.There is no use to worry about the test.
A. $30. B. $20. C. $15. D. $12.