| A．Hello, Daming. | B．Goodbye, Daming. |
| A．Bye-bye, Amy. | B．Hi, Amy. |
| A．That is my grandma. | B．That is my grandpa. |
| A．So many dogs. | B．How many dogs? |
| A．This is a teacher. | B．He is a driver. |
| A．That's a good idea. | B．It's beautiful. | C．Don't worry. |
| A．This is a dog. | B．That is a dog. |
| A．Point to the door! | B．Point to the window! |
| A．Good afternoon! | B．Good morning! |
| A．What's that? | B．Where's my pencil? |
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