1) 根据各组对话内容,从下面方框中提供的5个选项中选出能填入空白处的最佳选项。
A: Would you sign the register please, SirB: Sure.() ,does my morn have a private bathA: Certainly. Every room in this hotel has a private bath.
A. Thank you
B. It’s my pleasure
C. By the way
D. No, of course not
E. Never mind