你想向别人介绍你的朋友John,应该说________A.Hello! I’m John .B.This is John .
Alice ______ to school by bus every day.
Look at _______ picture.
I want to find a good book. I'm going to the _______.
_____ are you going to Beijing?
--- She cleans streets. Who's she? --- Oh, she is a _______.