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1. A thief is person who steals things.

2. The people who are very friendly work in a hospital.

3. The man who told me you were out answered the phone.

4. I know somebody that knows you.

5. A waitress, who served us, was very impolite and impatient

6. That man is a man whom I want to see.

7. Lan's brother ,whom my father invited to have dinner last week, went to Ha Noi yesterday.

8. They went to see a doctor from whom their children needed to help .

9. An Aeroplane is machine that I can fly.

10. Jack lives in house which is over 600 years old.

1.so

2.and

3.so

4.and

5.because

6.and

7.so

8.with

9.and

10.but