It is my duty to keep my classroom clean and tidy it 是形式宾语还是

It is my duty to keep my classroom clean and tidy it 是形式宾语还是 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.句中的 clea It is our duty to keep our classroom clean and tidy.中 our du It is our duty to keep our schoolyard clean and tidy.这句话是主语从 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 e___ clean and tidy I think it's our duty to keep our environment clean and tidy 英语翻译1.Today I am on duty,it's my turn to clean the classroom 1、To keep our environment clean and tidy is our duty.(改为同意句） 英语句型转换1、To keep our environment clean and tidy is our duty.( 英语翻译60个词左右This is my bedroom.It is tidy and clean..假如你是Sonia