The number of deaths from heart disease will be reduced greatly if people________ to eat more fruit and vegetables．

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The first use of atomic weapons was in 1945，and their power________ increased enormously ever since．

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The window is dirty．

I know．It ________for weeks

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The teacher called________ her________ hard．

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None would have dreamed of there ________such a place．

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He________ a good example________ everyone________ getting up early．

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I don't allow ________in my drawing-room．I don't allow my family ________at all．

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The man stole over ________over again，so he was always put________ prison．

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The Turners were making ________speech side ________side．

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The boy kept________ his mother for more chocolate，and finally his mother________．

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