Subject and Object Pronoun

Dinda is a beautiful girl. (a)   is my best friend.

Jack is a talented boy. I have known (a)   since he was in kindergarten.

John was born in Portugal. (a)   lives in SIngapore now.

Santy and Doni are my classmates. (a)   are also neighbours.

Vina is lovely woman. (a)   has blue eyes.

My father didn't listen to (a)   I have tried to explain as best as I can.

The teacher has explained the lesson to (a)   We just didn't pay attention.

(a)   are family. Nobody can separate us.

Milie and Dicky are my cousins. (a)   are close to my family.

The neighbours has warned (a)   Unfortunately, they ignored the warning.