小升初英语：介词 专项复习
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词类
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例词
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时间介词
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in ,on ,at ,before,after, from
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方位介词
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on ,in at ,behind,over above ,under, below
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动向介词
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to ,into,up, down,through,along,out of
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方式介词
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by,on with
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原因介词
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for,from,of, with
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