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    • It is essential that people___enough vitamins every day.

    A have B had C must have D will have 为什么选A不选C 翻译下句子

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    推荐答案   2014-09-02
    It is essential that people___enough vitamins every day.

    这是It is + adj + that从句

    形容词essential后的从句用虚拟语气，谓语动词用should+do或者省略should直接接动词原形

    类似的形容词还有important, necessary,vital, crucial, advisable, preferable, imperative, appropriate

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