And we must keep careful of the rise in population at the same time.请问这句话怎么翻译?

we must put rubbish bins and keep the environment We must have fruit and vegetables ______(keep) healthy. we must keep sea water clean and stop___it(pollute) we must do house___ and keep the windows____ we must keep our classroom( ). We must keep ____(health) We must keep ()(health)first ,and then we can study well. we must s______ the earth and keep it clean and beautiful We must keep quiet and walk___out of the room A.We must keep quiet and walk___out of the room A.quiet B.quick C.quietly D.quite we keep our small car and bicycles in here.是哪里? 分析一下句子成分（英语）谢谢We must keep our classroom tidy and clean. We must make some r_______ to keep the computer room clean and tidy. 翻译一下We must take good care of ourselves and keep fit. We must keep the air clean and never _________ (pollute,polluting) it. so we must try to improve our cities and keep them we must keep happy同义句转换we must keep happy___is____ ____ keep happy We must keep our classroom _________(tidily) 初一英语 we must keep our classroom_______.