at studies is Helen computer good (.)怎样组成一个句子
at studies is Helen computer good (.)怎样组成一个句子
Helen is good at Computer Studies改为同义句.
Sally is good at studying computer science.(将句子改为
he is good at studies.studies.为什么加s.
Jack is good at his studies.
Helen is good at singing一般疑问句
Helen is good at singing. (同义句)
He is not doing so good at his studies... 改这个句子的错
Is your dad good at computer?翻译
Jack is good at his studies.(保持原意)
Helen is good at playing the violin的同义句
Helen is good at basketball.改为同义句