| A．Please stop! | B．Please be quiet! | C．Be careful! |
| A．What's this? | B．It's a chair. |
| A．Is this your mother? | B．This is my mother. |
| A．Hi, Jimmy! | B．Hello! I'm Jimmy. |
| A．Hi, Mum. | B．Goodbye, Mum! |
| A．Hello, I'm John. | B．Hi, John. |
| A．Hello, I'm Sam. | B．Hi, Sam. |
| A．Hello, Daming. | B．Goodbye, Daming. |
| A．Bye-bye, Amy. | B．Hi, Amy. |
| A．How many girls? | B．How many boys? | C．How many girl? |
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