1. Look at this house. My parents build it .

2. I'm not as tall as Sue. She is taller than .

3. Kate made me happy. It was a great idea of to go to the cinema.

4. I like Kate. She is a friend of .

5. Sarah has wallet. She found it in the school. You must have lost it.

6. Sarah found a wallet in the school. You lost the wallet there so it must have been .

7. If somebody want to take part in the competition, have to enrol earlier.

8. Tom and his four sisters visit very often.

9. We'd never met before so I introduced to her.

10. The concert wasn't bad, but the quality of sound was terrible.

11. Peter and Mark don't like .

12. I like spending time on own.

13. I like spending time by .

14. Tom is weird. He sometimes talks to .

15. There is nothing to do here. Let go.