My sister works _________a restaurant _________ a waiter.[ ]

the website of the Fire Department in your city, and you will learn a lot about firefighting.

Why does Mr. Brown like the story?—Because the story reminded him _______ an experience he once had.[ ]

I’ll show you a market ________ you may buy all ________ you need.

I don’t know the teacher is talking with Miss Wang.[ ]