The rain has lasted ________ days.

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We've lived here ________ 1980.

－So you've lived here ________ about twenty years.

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The doctor said there was ________ wrong with James legs, and she could do ________ to help him.

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－I've forgotten to bring my bread.

－Never mind, you can have________.

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All of us found ________ difficult to work out the maths problem.

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________useful work they have done!

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－________moon goes round ________ earth.

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－Is there ________ map of China on the wall?

－Yes, there is.

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Susan has made quite ________ friends since she came to China.

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－Have you had ________ lunch yet?

－No, not yet.

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