指出错误并改正。 (10分)
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 ？
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