I. 1. I am not an English teacher.
2. He is not in Class Five.
3. They are not pigs.
4. This is not a yellow pear.
5. It's not a ship.
II. 1. Are they tall?
2. Is your mother fine?
3. Is the red clock on the desk?
4. Are you nine?
5. Is your name Wu Ping?
III. 1. Yes, it is.
2. Yes, he is.
3. No, they aren't.
4. Yes, they are.
IV. 1. How old is Peter?
2. What's that?
3. Where is your coat?
4. How are you?
5. What colour is her dress?
V. 1. My name is
2. Thank you.
3. They are, thin
4. That's