英语 六年级 填空题 标准 ★ 精品

环境问题描述 — 英语填空题

译林版·英语(三起) Unit 6 Keep our city clean AI 三重审校通过

题目
根据句意和首字母提示补全句子,每空一词。The river in our city is very d____ because many people t____ rubbish into it. To k____ the river clean, we should put the rubbish in the b____.