Friend of the Earth help keep the environment.为什么不加to?注意是help和keep之间.

friend of the Earth 作文 100字, What is a Friend of the Earth? friend of the earth是英语作文 Friend of the Earth take care of the environment.Friend of the Earth take care ofthe environment.（保持句意不变）Friend of the Earth. . .the environment. Ley's bu friend of the Earth作文 a friend of the earth 中学作文50字左右 英语作文 To be friend of the Earth to be a friend of the earth作文，六十字左右 Be friend of the earth 英语作文 50字 how to be friend of the earth 作文60字, To be a Friend of the Earth作文 we want to be friend of the Earth. to be a friend of the earth什么意思? A friend of the earth is s_______ who can prevent the earth from polltion. A friend of the earth is s______ who can prevent the earth from polluting. ___ of the earth must be ___ to the earth.(friend) 词形变化 A friend of the Earth is someone who 少打了，A friend of the Earth is someone who looks after the environment是什么意思？ 完形填空 A friend of the earth is s_____ who can prevent the earth from polluting