1. A woman answered the phone . She told me you was busy .
=> A woman who told me you was busy answered the phone.
2. The bus is always crowded . I take it to school every morning .
=> The bus which I take to school every morning is always crowded.
3. They are singing a song. I don’t know the song .
=> They are singing a song which I don't know
.4. A man spoke to me . He was very helpful .
=> A man who was very helpful spoke to me.
5. A midwife is a woman. She assists other women in childbirth .
=> A midwife is a woman who assists other women in childbirth.
6. They are the children . Their team won the match .
=> They are the children whose team won the match.
7. The house is for sale . It has the green shutters .
=> The house which has the green shutters is for sale.
8. My farther bought a motorbike . The motorbike costs 2 thousand dollars.
=> My father bought a motorbike which costs 2 thousand dollars.
9. They are the postcards . I sent them from Australia.
=> They are the postcards which I sent from Astralia.
10. The house has been built in the forest . It doesn’t have electricity
=> The house which doesn't have electricity has been built in the forest.
11. The girl chatted with him yesterday . She arrived here at 6 : 30.
=> The girl who arrived here at 6:30 chatted with him yesterday.
12. I’m reading the book . I bought it in London in 1996 .
=> I'm reading the book which I bought in London in 1996.
13. Trang couldn’t come to the party . This was perfectly true.
=>Trang couldn't come to the party which was perfectly true.
14. Do you know the girl ? Tom is talking to the girl.
=> Do you know the girl whom Tom is talking to?
15. Tuan speaks English very well . He comes from Vietnam.
=>Tuan, who comes from Vietnam, speaks English very well.
16. The man invited me to his party . He was really polite .
=> The man who was really polite invited me to his party.
17. A lion is an animal . This animal lives in Africa .
=> A lion is an animal that lives in Africa.
18. I have a class . It begins at 8 a.m .
=> I have a class which begins at 8 a.m.
19. A globe is a ball . This ball has a map of the world on it .
=> A globe is a ball which has a map of the world on it.
20. The soup was too salty . I had it for lunch .
=> The soup which I had for lunch was too salty.