(一) 根据各组对话内容，从下面方框里提供的5个选项中选出能填入空白处的最佳选项。并将该选项前的字母填在答题卡相应的位置上。

A：You’ve cooked such a delicious dinner，Mrs.White.
B：（）

单项选择题第一空应选择（）

A．You must have wronged me.
B．Oh! I’m so sorry about this.
C．Please stop just a second.
D．Are you Mr.Smith
E．But may I ask you something first
F．Is there anything I can do for you
G．Now. Sit down, please.

单项选择题A：Could I use your dictionary，please B：（） A：Thank you.I’ll return it as soon as possible.

A．Sure. What is it
B．It’s very nice of you to say so.
C．It’s nothing.
D．Have a nice trip!
E．Certainly. Here you are.