1. (2021三下·红桥期末) 阅读短文，判断正误。

This is Ms Liu. She has a daughter and two sons. They are Li Hong, Li Lei and Li Hua. Li Hong is nine. She's in Grade Three. Li Lei is twelve. He's in Grade Six. Li Hua is seven. They love their mother and father very much.

1. （1） Ms Liu has three children(孩子).
3. （2） Li Hua is in Grade Three.
5. （3） Li Lei and Li Hong are brother and sister.
7. （4） Li Hong is Ms Liu's daughter.