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        1. 精英家教網 > 高中英語 > 題目詳情
          It is important to introduce children to healthy nutritious foods from ________ they begin to eat solids.
          A.whatB.when
          C.thatD.which
          B
          B 考查名詞性從句。句意:從孩子可以吃固體食物開始就引導他們食用健康營養(yǎng)的食物是很重要的。when在此引導賓語從句,作介詞from的賓語,且在從句中作時間狀語。
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