The little girl could cook meals alone.同义句

你好,这道题的正确答案是：
不知道你是否有格式要求,可以这样改
The little girl were able to cook meals by herself.
can= be able to
alone = by oneself

再问： 请问were后能不能加the
再答： 可以的 They were the best students in our school. 他们是我们学校最好的学生。