【小学中学教育精选】外研版英语九下Module 4 Unit 2《we must keep the camp clean.》同步练习

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