一个民族要想自立于世界民族之林,必须具有民族自信心和自尊心。而民族自信心和自尊心有其思想基础,即要对民族文化的优秀传统有比较全面的了解。这说明( )
---Is she your mum, Helen? ---________________.
I have _____ book. It’s ______ English book.
This_____ my uncle and those _______ my grandparents.
---What’s _______ name? ---My name _______ Lily.
---How old ________ you? ---I ______ ten years old.