【正文】
No,she is not. (singing) Are you reading? Yes,I am.(reading a book) 二、重點(diǎn)解析 woman behind me is singing. is singing? who疑問代詞 .詢問某人在做某事可以這樣問。 What is she doing? She is _____ a song. singing What is he doing? He is _______. sleeping What is she doing? She is ______ a picture. drawingWhat are they doing? They are _____ pingpong. playing What are they doing? They are ________. swimming 。Lesson 3 Who Is Sin