| A．Are you my mother? |
| B．Are you my father? |
| A．This is Jack. He's my friend. |
| B．Hello, Jack. |
| A．Yes. |
| B．Thank you. |
| A．Who is he? |
| B．Who is she? |
| A．They’re nice. |
| B．Your schoolbag is nice. |
| A．Is this your book? |
| B．Are these your books? |
| A．It’s nice. |
| B．Thank you. |
| A．Welcome! |
| B．It's for you. |
| A．Count the books, please. |
| B．How many schoolbags? |
| A．Let's make a snowman. |
| B．Look at the snowman. |
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