将下列句子按正确顺序排列，组成对话。

A. Thank you.

B. Good morning, Mary.

C. Where is my English book, Mary?

D. Cood morning, Bob.

E.  No, it isn't.

F.  Is it on your desk?

G. Look! It's under your chair.

1. _____     2. _____    3. _____    4.  _____    5. _____   6. _____ 7.  _____ 

某日，正在营业的服装城着火，火势越来越大，扑灭困难，商场应立即拨打（）火警电话。

A、120

B、119

C、110