They p to keep the enviroument clean.p后面填什么

They p to keep the enviroument clean.p后面填什么 They agree to keep the news to ( ) (they) They will do the best to keep the e.clean在字母They will do the best to keep the e.clean在字母e后面添个单词 If people___cutting down the forest,they will have nowhere___A.keep;to live in B.will keep;to live inC.keep;to live D.will keep;to live if people___cutting down the forest,they will have nowhere___A.keep;to live in B.will keep;to live inC.keep;to live D.will keep;to live They tried to keep this____happening. 19.They shut all the windows and doors of the classroom to _______ cold.A .keep off b.keep in c.keep out d,keep away They wanted to keep warm,so they sat c____to the fire填空 keep to the keep to the keep to the timetable 英语帝速来啊!they thought it their duty to keep the secret.they thought it is their duty to keep the secret.哪一句是正确的, They use computers to keep the traffic_____smoothlyA.being run B.run C.to run D.running h_,they like to keep the happy memory of the bitrthday parties in mind. They learnt it was important to keep the ecosystem of the Lakes healthy ahd strong it s everyone s duty to keep the e healthy.在e后面填空 If people keep cutting down the forest,they will have nowhere to live.翻译 they use computers to keep the traffic running smoothly可以是将running换成being why?