Help me ! correct the sentences: 1. they lives in london. 2. have they never watched this film? 3. what did you do while i was cleaning my room? 4. my credit card is empty. if i have a lot of money,i will buy a sport car. 5. what is bigger country in the world? 6. he spends too many money on clothes. 7. if it will rain,we take a taxi. 8. sam always must do the washing up after dinner. 9. this gadget is invented last year. 10. there wasn't some homework to do yesterday. 11. why is felix so happy? - he passed his exam. 12. this exit isn't enough big for two people. 13. i've tryed parachuting but i didn't like it. 14. i think people don't might buy cds in the future. 15. is there a lot of children in the park? 16.