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最佳答案：How many young pioneers are there in your class?
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最佳答案：to be solved
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最佳答案：He has a younger brother and two older sisters.上海灵格风英语
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最佳答案：最自然的说法是My father was a teacher. 但3个空格嘛...可以填have once been. 能说一下上文下理是甚麼就最好了.
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最佳答案：Who on earth broke the window?
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最佳答案：it was raining all night yesters=day
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最佳答案：is
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最佳答案：应该是：Can you (make some more space in the room to put) the flowers?
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最佳答案：较好的说法：There's a space between A and B.
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最佳答案：among the students