We must keep our room clean.Dirt ...We must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.hand in handC.step by stepD.up and down这道题选B,怎么翻译呢?Thanks!

we must keep our classroom( ). We must keep our classroom _________(tidily) 初一英语 we must keep our classroom_______. We must keep our street s_______. We must keep our classroom (clean) every day we must keep our classroom clean改被动语态 初中英语变为被动语态we must keep our classroom clean We must help ______(keep) our enviroment clean. we must keep our bodies_____.A.heath B.healthy Nowadays,the earth is p_______s_____.Our earth is in d_______.We must p_______the earth.We must keep the earth c_____.We must stop p_______the earth.We must ___________________ We must keep ____(health) 分析一下句子成分（英语）谢谢We must keep our classroom tidy and clean. we must try our best to keep environment clean句子成份划分 We must keep our country_______. A.cleaning B.clean C.to clean D.cleaned 选择：We must keep our eyes___(opened/open/to open/opening) . We must keep our country ________.A.clean B.to clean C.cleaning D.cleaned so we must try to improve our cities and keep them we should obey school rules,so we must keep our classmate 后填什么词c开头的