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It is very important ________ your hands before meals.

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I have a problem ________ football well.

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You can know the moods of people ________ the colours they choose to wear.

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--Have you ever visited any wonders of Beijing?

--Yes, I ______. I ______ them last summer holidays.

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--Have you finished your homework?

--No, I haven't. But I ______ it tomorrow.

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--Has he ______ for Shanghai already?

--Already? He has ______ there for three days.

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Lucy and Lily can speak good Chinese, because they ______ China for six years.

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He dropped off the bike ______ his carelessness.

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I will ______ speak Japanese in another three months.

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We'll spend ______ possible studying because we'll graduate from school.

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