摘要：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.

网址：http://m.1010jiajiao.com/timu_id_4122037[举报]