单项选择题
M: Alice is supposed to be here at the meeting tonight. W: She has caught a bad cold and has to stay at home.
A.She flew out of town. B.She’s ill. C.She is on vacation. D.She decided to stay at hom
A.2. B.3. C.6. D.Non
A.At 7:30. B.At 7:15. C.At 7:50. D.At 8:00.