（1）I like Mary.
（2）I love her.
（3）She likes me.
（4）I have a dog. It is black.
（5）John has two brothers and one sister.
（6）Mary knows them. They are very cute.
（7）He knows us.
（8）They like you.
（9）This is my laptop.
（10）Is she your sister?
（11）His brother is very smart.
（12）These are their books.
（13）Those are our children.
（14）That is John’s book.
（15）This is my father’s car.
（16）The color of the car is blue.
（17）Are these books yours? Yes, they are mine.
（18）The book is hers.
（19）This is her camera.
（20）This camera is his.
（21）Is this your book? Yes, it is mine.
（22）That is our house.
（23）That car is John’s.
（24）That is the top of the mountain.