当你要问那个女孩在干什么,应该说:A. What’s the girl doing? B. Where’s the girl doing?
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 _______.
My uncle is _____ accountant. He works in _____ air-conditioner company.
Which picture means "One way"?