练习册

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    题目列表(包括答案和解析)

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    11. Have you ever been a babysitter?

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    10. Thanks for helping me.

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    9. My bike is broken. May I use yours?

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    8. It's very warm today, isn't it?

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    7. Let's play football.

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    6. It's time to stop swinging, John.

    II.

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    5. This is the first time Mary has been a babysitter.

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    4. What a sunny day!　

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    3. Don't fall off. Hold on to my hand.

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    2. It's dangerous in the tree. Please come down.

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