谈论环境保护的表达句型 — 英语词汇题
题目
根据句意及中文或首字母提示补全单词，每空一词。1. We should try our best to p_______ the animals in danger.（保护）2. Please don't w_______ water; turn off the tap after washing hands.（浪费）3. More and more people use cloth bags to reduce p_______ (污染). 4. It's our duty to keep the e_______ clean and green.（环境）