| A．Who's that boy? |
| B．How is your brother? |
| C．How old is your brother? |
| A．This is my daughter. |
| B．This is my son. |
| C．This is my brother. |
| A．Father and mother help each other. |
| B．Brother and sister help each other. |
| C．Let's help each other. |
| A．Who's that man? |
| B．Who's that woman? |
| C．Who's that girl? |
| A．Let's go to school. |
| B．Let's go home. |
| C．One，two，three，go! |
| A．Who's that? | B．Who's this? | C．What's in the box? |
| A．I'm fine. | B．I'm eleven. | C．How old are you? |
| A．Look at your family. |
| B．Show me your vest. |
| C．Introduce your family. |
| A．She's my mother. |
| B．Fine，thank you. |
| C．He's my brother. |
| D．Good morning! |
| A．Welcome! | B．OK! |
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