| A．No, she isn’t. | B．Yes , he is. | C．Yes, she is. |
| A．am not | B．isn’t | C．don’t |
| A．Have a good time. | B．Thank you. | C．You're welcome. |
| A．zoo | B．school | C．sea |
| A．Sorry, I don't know. | B．Yes, we are. | C．No, we aren't |
| A．is | B．am | C．are |
| A．in | B．on | C．at |
| A．What，like | B．Who，like | C．How，like |
| A．collecting | B．collect | C．collects |
| A．at | B．on | C．into |
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