Put in these words: are, aren't, is, isn't, do, don't, does and doesn't.
A: Who is Michelle talking to?
B: I can't see Michelle.
A: You aren't looking in the right place. She's over there.
B: Oh, that's Adrian. He's new here.
A: Really? Where does he live?do you know?
B: No, I don't.
A: What are they talking about, I wonder?
B: Well, he doesn't look very interested. He's got a very bored expression. And he isn't saying anything.