| A．Teacher's | B．Teachers | C．Teachers' |
| A．Good bye, Sarah |
| B．See you, Sarah |
| C．My name is Wu Yifan |
| D．Nice to meet you, too |
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________ | A．What's your ear? | B．Where is your ear? |
| A．to | B．the | C．\ |
| A．Not very well. | B．Thank you. |
| A．Thank you. |
| B．Happy birthday to you, too. |
| A．Thank you. | B．You’re welcome. |
| A．a | B．an | C．the |
| A．is; are | B．are; is | C．are; are |
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