英语 九年级 词汇题 简单

现在完成时 — 英语词汇题

人教版·英语(初中) Unit 13 We're trying to save the earth! AI 三重审校通过

题目
根据句意和首字母提示补全单词,使句子完整正确。 1. The factory has p______ the air for years, so the sky is often grey. 2. We have b______ a new park, so people can enjoy fresh air there now.