.3B知识点梳理Unt1 In class一、词组Mr. Green 格林先生 open your books 打开你们的书 close the window 关窗 come in进来 good afternoon下午好 good night晚安open the door 开门 look at the blackboard看黑板 good morning早上好good evening晚上好 listen to the teacher听老师的 二、句型1. Stand up. 起立。 2. Sit down, please. 请坐下。3. Good morning, Mr. Green. 格林先生，早上好。 4. Come in, Mike. 迈克，进来。5. Liu Tao, please open the door. 刘涛，请开门。 6.
