PEP小学四年级英语下册复习知识点Unit 1 单词:first floor 一楼 second floor 二楼 teachers office 教师办公室 library 图书馆 playground 操场 computer room 计算机房 art room 美术教室 music room 音乐教室 next to 紧邻;在近旁 homework 作业 class 班;班级 forty 四十 way 方向Lets do:Go to the library. Read a book. 去图书馆看书Go to the teachers office. Say hello. 去教师办公室问好Go to the playground. Play football. 去操场踢足球Go to the garden. Water the flowers. 去花园浇花发音:字母组合er, water tiger sister dinner computer ruler 句型: 1、Whe