–Can I come in? - .A. Sorry, you can’t. B. Yes, of course.
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 _______.
My uncle is _____ accountant. He works in _____ air-conditioner company.