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Tom's grandmother died _______1977 _______ the age of 79.

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The Soviet Union was______ first country to send a man into ______ space.

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She is reading ________ interesting book at present.

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Mr. Green is responsible ________hiring employees.

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After ________World War II, ______United Nations was formed.

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We’ll buy a smaller house when the children have grown _______ and left home.

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My mother thinks that this is ________ most expensive shop in this street.