英语翻译We ______ ______ ______ keep our classroom ______.

英语翻译We ______ ______ ______ keep our classroom ______. We must help ______(keep) our enviroment clean. We should keep on working hard all our ______ (life). 英语翻译______ that ______ black ______ ______? 英语翻译We have great ______ _____ the ______ ______ _____ 英语翻译We ______ _____ _____ _____ ______ ______. 英语翻译______ ______ ______ the expenses are _________,we saved ______ clean the classroom. 英语翻译Sometimes parents ______ ______ ______ ______ ______. 英语翻译Would you parents ______ ______ ______ ______ ______ ___ 英语翻译______ _______ ______ ______ ______ ______ during Spring 英语翻译We should study hard to make _____ ______ ______ for our