Fill in the correct form of sein for each article and noun. Pay attention to whether the subject is singular or plural.
Der
The father is old, and the mother is young.
Das
The child is happy, and the children are together.
Die
The grandmother is wise, and the grandfather is friendly.
Der
The brother is strong, and the sister is intelligent.
Das
The married couple is married, and the family is large.
Der
The uncle is funny, and the aunt is nice.
Die
The cousin is a student, and the cousins are friends.
Das
The baby is small, and the babies are tired.