外研社版(主编:孙有中)·英语 Unit 6 Living with nature AI 三重审校通过
题目
根据中文提示补全单词,每空一词。1. We should p___tect (保护) the environment. 2. Don't throw r___b___sh (垃圾) into the river. 3. Planting trees is good for n___ture (自然). 4. We must save water and e___ect___icity (电).