It always rains in summer. It is hot and ________.

We can't finish the work in such a short time ________ your help.

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－What's he doing? ________ he ________ the window?

－No, he is closing the window.

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Could I have ________ carrots?

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A．some　　B．any　　C．a

I ________ have breakfast at 7:00. But ________ it's 7:20. I'm having my breakfast.

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________ your brother often late ________ class?

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He can throw a yo-yo. ________ you?

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Could you give me ________ of your meat?

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Is your mother good at ________ dumplings?

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There aren't ________ boats in the river.

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