英语 八年级 词汇题 标准 ★ 精品

be made of/from/in的用法 — 英语词汇题

译林版·英语(初中) Unit 8 A green world AI 三重审校通过

题目
根据句意及首字母提示补全单词(每空一词):1. Paper is made f______ trees, so we should save every piece of it. 2. These bags are made of recycled m______, which is good for the environment.