2
1) Don't play the piano, please.
2) Come and meet him.
3) Look at that girl over there.
4) Don't close the door, please.
5) Be quiet, please.
3
2) This is Tom's mother.
3) This is boys' ball.
4) This is John's house.
5) This is Sue's sister.
6) This is women's car.
4
1) no, she hasn't
2) how old is he?
3) what's her name?
4) he's from Spain.