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    It has been proved eating vegetables in childhood helps to protect you against serious illnesses in later life. A. if B. because C. when D. that [解析] D 该句中it是形式主语.所填选项引导真正的主语从句.从句中不缺任何成份和意义.只缺少连接词.所以用that引导. 【查看更多】

     

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    It has been proved______eating vegetables in childhood helps to protect you against serious illnesses in later life.

    A. if                                      B. because                         C. when                              D. that

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    It has been proved ___ eating vegetables in childhood helps to protect you against serious illnesses in later life.

     A. if            B. because             C. when           D. that

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    It has been proved ___ eating vegetables in childhood helps to protect you against serious illnesses in later life.

     A. if            B. because             C. when           D. that

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    It has been proved______eating vegetables in childhood helps to protect you against serious illnesses in later life.

    A. if                            B. because                   C. when                             D. that

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    It has been proved ______ eating vegetables in childhood helps to protect you against serious illnesses in later life.

    A. if                            B. because                   C. when                             D. that

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