我国国旗的颜色有：________
A.red and white          B.red and yellow

你想向别人介绍你的朋友John,应该说________
A、Hello!  I’m   John .
B、This  is  John .

—What’s your name?  _________     .
A.This is Bai Ling.
B.My name is Bai Ling.

—Can I have some chicken?   _________      
A.Sure.Here you are.
B.Very well, thank you.

你想知道现在几点了，你该怎么说：
A. What are you doing now ？          B. What time is it now ？