单项选择题
M: That is $ 3.50 on the meter, and a dollar extra for the suitcase. W: OK. Here is five dollars. Keep the change.
A. $3.5. B. $0.5. C. $1.5.
A. 6:15. B. 7:15. C. 6:45.
A. Monday. B. Wednesday. C. Saturday.