题目内容：

that is her purple skirt改成同义词 she often helps us study english改成同义词

优质解答

1.That purple skirt is hers.
= That purple skirt belongs to her.
2.She often helps us with our English.
不明白的再问哟,请及时采纳,多谢!

追问：

this is a ruler改为一般疑问句，肯否回答谢谢

追答：

Is this a ruler ? Yes, it is. No, it isn't.