填空题 A: {{U}} {{U}} 4 {{/U}} {{/U}}
B: Yes, we have a nice room on the fourth floor.
A: {{U}} {{U}} 5 {{/U}} {{/U}}
B: $45.00 a night.
A: Can I book it, please?
B: Certainly.
A. How much is it?
B. Do you have any vacant rooms?
C. What do you think of it?