根据句意及汉语提示，拼写单词，使句子完整、正确。(5分)
There are ______ (四十) students in my class.
My ____ (表弟) is only two years old. We all love him.
—Who is she?
—She is my ____ (姑妈).
My father ____ (有) one brother and two sisters.
She looks ______(年轻的).