Объяснение:

20)

2. I have 2 sisters

3. My dad is a teacher

4. My mom has a car

5. We have a big house

21)

2. Claire's

3. womens'

4. sister's

5. Luke's

6. childrens'

7. dad's

8. uncle's

9. friends'

10. Polly's

22)

2. Jeff's

3. boys'

4. parents'

5. Cora's

6. Brother's

23)

2.mum's

3. girls'

4. sister's

5. aunt's

6. childrens'