we have to keep the water clean 这句话对吗?不对的话请更正,

What must we have to keep healthy? when the teacher speaks ,we have to keep quiet____a won't web don't wec have wed haven't we we have to keep the water clean 这句话对吗?不对的话请更正, We have asked visitors to keep the beauty spot tidy and clean变成被动语态 we must share,if we would keep,that blessing from above,Ceasing to give,we ce...we must share,if we would keep,that blessing from above,Ceasing to give,we cease to have,such is the law of love. we have to study and work hard to keep up with the _(deveiop) of modern society 英语*保持原意不变We have sports and recreation to keep health.We have sports and recreation( ) ( )we ( )keep health. 1.Dogs an keep people______(save)from danger 2.We have rules to keep us_______(safety) 英语翻译The wealth of the mind is the true wealth!We are here to give what we can to life,not to get we can from it.I hope he will keep good health and have wonderful time every day! We have come to relaize that only by keeping on learning can we keep up with the advancing society.句子中的用法,尤其是“ can we keep”为什么要倒装? We should try to keep the（平衡）of nature should we diet in the order to keep fit we use a bed cover to keep the dust off we have a leap year so we can keep the calendar in step with the seasons. We need to keep the water clean.(改为一般疑问句) _______we_______to keep the water clean? when we have left school we can _____ to learn A:keep B:keep on C:go on You have to keep your eyes___,and we will see who can find the best place ,A.opend B.open C.opening D.to be open 英语简单句分析Keep quite and listen to me.We have to be up early in the moming.能不能帮我分析一下句子成分?