保护环境常用表达 — 英语词汇题
题目
完成关于环保表达的句子（每空一词，首字母已给出）：To go green, we should r______ paper, glass and plastic instead of throwing them away. We shouldn't w______ water, and we should t______ off the lights when we leave a room. Planting more trees can make our city g______ and beautiful.