练习册

  • 练习册
  • 试题
    Helen, you clean the window, and Paul, you sweep the floor. 海伦,你擦窗子;保罗,你扫地. You come here, Jack, and you go there, Mary. 杰克你到这边来,玛丽你到那边去. You ask the first question and I ask the second one. 你问第一个问题,我问第二个问题. 【查看更多】

     

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