Welcome to English class,Unit 2 Cleaning Day,Part B,fan,light,bright,I am cleaning the blackboard .我在擦黑板,The blackboard is clean.黑板擦干净了,clean v. 把弄干净 adj. 干净的,right light,bright 明亮的,The light is bright. 灯是明亮的,The classroom is,clean and bright,这间教室干净又明亮,Our classroom is,clean and bright,Listen and learn,Please close the windows. Please close the door. close 关 open 开,Please close the windows,Please close the door,Please turn off the lights and fans. turn off 关 turn on 开,Please turn off the fan,Ple
