She doesn't sing at all中文?为什么用at all?

She doesn't sing at all中文?为什么用at all? She doesn’t like c------ at all. She is staying at home .But she doesn't feel . She says she doesn't have any----[funny]at school She doesn't like _____at all, (sing)用所给词的适当形式填空 She doesn't like he sing这句话能成立么? She doesn't sing as __as heA.good B.well C.nice She doesn't sing so __(good)as her sister.填什么 ＼3Q She doesn’t want bananas at all.(变肯定句) She doesn't have lunch at school.(改为肯定句) No she doesn't. she doesn't go home at noon , so she has l ( )at school. My sister is good at ___(sing),but she isn't good at ___(dance) She doesn't work hard at English,so she f_____ in the exam. she isn't good at englishi改为同义句 She doesn't______ ______ ______in English. She doesn't want bananas at all.（变肯定句）She ________ bananas very ________. She isn't good at swimming.(保持句子原意） She doesn't_____ _____in swimming. She must stay at school,--she?must表推测,其反义疑问句是用doesn't