Question

Замените сущ. местоимениями 
Образец: How are your grandmother and grandfather? -- How are they
1)How are you and your friend?
2)Where are your mother and father?
3)How are you and your class?
4)How old is your sister?
5)How old is your brother?

Answer 1

1) How are you?
2) Where are they?
3)How are you?
4)How old is she?
5)How old is he?