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save ,the,we,trees ,must,ivory,made of,things we must save the trees and not buy things made of ivory意思 句型：We must save the trees and not buy things made of ivory. we must save the trees and not buy things made of ivory not,we,must,made,save,of,trees,and,things,buy,ivory We shouldn't buy things made of ivory.这里的made是什么用法? we should use the things made of paper 这句话? 单项选择； Every one of us must know:( )we live can we save the e 英语翻译We have chopsticks made of bamboo and ivory.意思是不是“我们有竹子做 Never buy anything made of ivory. 改反意疑问句We must save the Earth.We must save the Earth,___ ___? 反义疑问句习题We must save the Earth.We must save the Earth,______,