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1.The children were busy mopping the floor with their mother's broom.
孩子们正忙着用妈妈的扫帚拖地。
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2.After cleaning the house, she mopped the floor with a wet rag.
打扫完房子后,她用一块湿布擦地。
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3. The dog was happily mopping the floor with its owner's muddy shoes.
狗高兴地用主人的泥鞋拖地。