题目内容：

根据所给单词完成句子。要求符合语法，语句通顺，大小写正确，单词不得重复使用，标点己给出。

1.try, hurt, real, each, to, friends, not, other

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2.to, why, decide, a, did, dentist, you, be

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3.don't, to, mistakes, be, make, afraid

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4.which, languages, most, has, country, the, official

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5.they, have, heart, diseases, don't, many, problems, or

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