His brother does well in physics.改为同义句

His brother is good at physics 再问： They walk to work 改为一般疑问句，作否定回答 再答： Do they walk to work ? no ,they don't再问： 嘻嘻，不好意思再问一个可以吗？ amy speaks english well 改为一般疑问句，做肯定回答。