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        1. 精英家教網 > 高中英語 > 題目詳情

          It is difficult for us to learn a lesson in life ____we’ve actually had that lesson.

          A.until    B.after    C.since    D.when

          A


          解析:

          A。由語境邏輯可知,人的一生難以吸取教訓的狀態(tài)一直延續(xù)到真正有了教訓,因此該空應填until引導時間狀語從句。

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