| A．Let's swim. | B．Let's dance. |
| A．Let's play ping-pong. | B．Let’s play football. |
| A．The lions are tired. | B．The tigers are tired. |
| A．Let's sing. | B．Let's dance. |
| A．sing | B．dance | C．hot |
| A．playing | B．play |
| A．sing | B．dance |
| A．Good idea! | B．Good morning! |
| A．Yes. | B．No. |
| A．duck | B．ping-pong | C．chicken |
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