$@Vân$

1. He worked for a woman. She used to be an artist.

→ He worked for a woman who used to be an artist.

2. They called a doctor. He lived nearby.

→They called a doctor who lived nearby.

3. I wrote an email to my sister. She lives in Italy.

→I wrote an email to my sister who lives in Italy.

4. Linh liked the waiter. He was very friendly.

→Linh liked the waiter who was very friendly.

5. The man is in the class. He is wearing a blue hat.

→The man who is wearing a blue hat is in the class.

6. The woman works in a hospital. She is from India.

→The woman who is from India works in a hospital.

7. My sister has four sons. She lives in Japan.

→ My sister who lives in Japan has four sons. 

8. The girl gave Binh his phone. She is his daughter.

→ The girl who gave Binh his phone is his daughter

9. I know the woman. She lives upstairs.

→ I know the woman who lives upstairs.

10. The police officer has just arrested a man. He robbed the bank.

→The police officer has just arrested a man who robbed the bank.

11. The first boy has just moved. He knows the truth.

→The first boy who knows the truth has just moved.

12. They called a lawyer. The lawyer lived nearby.

→They called a lawyer who that lived nearby

13. The customer liked the waitress. The waitress was very friendly

→The customer liked the waitress who was very friendly

14. The man is in the garden. The man is wearing a blue jumper.

→The man who is wearing a blue jumper is in the garden

15. My sister has three children. My sister lives in Australia.

→My sister who lives in Australia has three children

1.He worked for a woman who used to be an artist.

2.They called a doctor who lived nearby.

3.I wrote an email to my sister who lives in Italy.

4.Linh liked the waiter who was very friendly.

5.The man is in the class who is wearing a blue hat.

6.The woman works in a hospital who is from India.

7.My sister has four sons who lives in japan.

8.The girl gave Binh his phone who is his daughter.

9.I know the woman who lives upstairs.

10.The police officer has just arrested a man who robbed the bank.

11.The first boy has just moved who knows the truth.

12.They called a lawyer who lived nearby.

13.The customer liked the waitress who was very friendly

14.The man is in the garden who is wearing a blue jumper

15.My sister has three children who lives in Australia.