—____, Tom. Is this your book? —No, it isn’t. I think it’s ____.
—Excuse me. Does your store ___________ Chinese books? —Yes. Do you need to ___________ one?
Tim has some ___________ every day. He thinks it is healthy food.
—___________ is the sofa? —It’s $200.
Ed likes baseball, ___________ he doesn't like tennis.
—Do you have a tennis ball? —____________. Let’s ask Jim for help.