导读： 我们的学校保持清洁(Keep our school clean) ： as we all know，it's very important for us to keep our school clean and tidy，because we are junior students，it's ...
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... 在我们的学校 at our school 我们的学校保持清洁 Keep our school clean ; Keep our scho 丰富我们的学校生活 to enrich our school lives ...
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