九年级英语下册 Module 4 Unit 2 You must keep the camp clean练习（无答案）（新版）外研版

Unit 2 You must keep the camp clean（一）重点单词1. hang v.(hung,hung) 悬挂，吊hang一般指把某物悬挂在高处或线上，由此下垂并能够摆动；han