1.A woman who told me you was busy answered the phone.

2.The bus which I take to school every morning is always crowded.

3.They are singing a song which I don't know.

4.A man who was very helpful spoke to me.

5.A midwife is a woman who assists orther woman childbirt.

6.They are the children whose team won the match.

7.The house which has the green shutters is for sale.

8.My father bought a motorbike which costs 2 thousand dollars.

9.They are the postcards which I sent from Australia.

10.The house which has been built in the forest doesn't have electricity.

11.The girl who arrived here at 6:30 chatted with him yesterday.

12.I'm reading the book which I bought in London in 1996.

13.Trang couldn't come to the party which was perfectly true.

14.Do you know the girl whom Tom is talking to?

15.Tuan, who comes from Vietnam, speaks English very well.

16.The man who was really polite invited me to his party.

17.A lion is an animal that lives in Africa.

18.I have a class which begins at 8 a.m.

19.A globe is a ball which has a map of the world on it.

20.The soup which I had for lunch was too salty.