单项选择题
[听力原文] W: How much do I pay each month for your network service M: It depends on how many hours you use. Each hour costs $1.50.
A.$30. B.$20. C.$15. D.$12.
A.A single room. B.A double room. C.A suite. D.No room.
A.From seven to ten. B.At 8:30. C.From eight to ten. D.At 8;00.