1. A: What’s this?

    B: It’s a chair. 

2. A: What’s this?

    B: It’s a football.

3. A: Is this a pencil?

    B: Yes, it is.

4. A: Is this a pear?

    B: Yes, it is. 

5. A: What’s this?

    B: It’s a schoolbag.

6. A: Is it an exercise book?

    B: Yes, it is.