To keep our school clean is our dury.这句话如何翻译呢?

To keep our school clean is our dury.这句话如何翻译呢? It is our duty to keep our schoolyard clean and tidy.这句话是主语从 to keep our school clean is our duyt 的同义句 It is our duty to keep our classroom clean and tidy.这句话谁做主语谁 It is our duty to keep our school clean keep 后不是接动名词吗为什么是cle All of us should keep our school clean .(翻译) We must keep our school clean. Keep Our School Clean作文80字 It is our duty to keep our classroom clean and tidy.中的It《our It is our duty to keep our classroom clean and tidy.中 our du It is our duty to keep our city clean.中文该怎么翻译?它的同义句是什么? we should at school to keep our school clean every day