Helen is good at Computer Studies改为同义句.

Helen is good at Computer Studies改为同义句. at studies is Helen computer good (.)怎样组成一个句子 Helen is good at basketball.改为同义句 Helen is good at singing. (同义句) Helen is good at playing the violin的同义句 英语同义句转换器!原句：helen is good at playing the piano.改：helen () () Daniel is good at piaying computer games改同义句 Helen is fine.(改为同义句） Helen is English 改为同义句 She is helen.怎么改为同义句? My name is Helen 改为同义句 is sb.good at Math?(改为同义句)