—How much did I ________ you this month in all?

—________ .

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________ of them can learn Chinese well in a year.

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It ________ the waste is being poured straight into the water.

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________ we can pass the coming examination will mainly depend on ________ we learn and ________ learn it.

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Please ________ your attention ________ something more important.

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You must attend the important meeting ________ you're busy with business.

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A good student should ________ what he reads ________ what he sees around him.

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—How can I get along well with my maths?

—You must work hard at it, ________ you must spend more time on it.

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You can take a mobile phone with you ________ you go.

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Mother often ________ something that I may forget before I go to school.

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