English in Mind, page 30, ex-es a, b, a, b
Possessive Adjectives page 31 exercises

2) mother

3) grandmother

4) daughters

5) sister

Elizabeth-grandmother

Claire-mother

Jonathan-father

Mike-uncle

Sarah-aunt

William-brother

Olivia-sister

Joseph-cousin

Emily’s home

Mr. Black’s red car

My father’s computer

My sister’s bicycle

My brother’s school