—What ________ they ___________?—A new book. It’s very interesting.
I am sorry this coat is not big enough. I want a one.
—Bob, where is Linda? —She be in the library, but I am not sure.
—Which jacket do you prefer, this one or that one? —is OK. I don’t care too much.
—Is this red bag yours? —No, it isn’t. is that black one.
Mom, I like green T-shirt. Could you buy it for me?