(2004·河北鹿泉市)

It's hard to keep the house ________ with three kids.

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--- Mike and John, did you enjoy ________ on Children's Day?

--- Yes, we did.

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(2004·貴陽市)

My mother gave me a new dictionary and told me ________ care of it.

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(2006·長沙市)

I was very excited when I saw so many ________ on the farm.

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(2006·陜西省課改區(qū))

It's good habit ________ breakfast every day.

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Could you please ________?

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--- What's the worker doing?

--- He's working ________ a machine. (機(jī)器)

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Look! A few boys are ________ a ball over there.

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________ so much noise. The baby is sleeping.

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May I use your dictionary ________ a new word?

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