【正文】
_____(study) in class. 4. I _____(sleep) at that time. 5. While Linda was sleeping, Jenny _____(help) Mary with her homework. Ⅱ. Complete the following sentences. 1. Kate was drawing pictures when her mother came back.(改為否定句 ) Kate _____ _____ pictures when her mother came back. 2. She was babysitting her sister at this time yesterday.(改為一般疑問(wèn)句并作否定回答 ) — _____ she _____ her sister at this time yesterday? — No, she