I have got to organize the school clean-up day, but I don't know what to do.
我不得不组织一次学校的清扫日，但我不知道该做什么。
She used the whole senior class to help the lower school clean up the playground on Earth Day.
她曾在地球清洁日组织整个高年级班级帮助低年级打扫操场。
She used the whole senior class to help the lower school clean up the playground on Earth Day.
她曾在地球清洁日组织整个高年级班级帮助低年级打扫操场。
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