11. There are ___________ other problems in the slums like disease and poor healthcare. (probable) 12. The slums are overcrowded and crime is a ___________ problem there. (majority) 13. I think we will have ___________ taxis very soon. (electricity) 14. Will we travel in _____________ cars in the future? (drive) 15. Renewable energy sources will be used to _________ the problem of pollution. (solution) 16. Villagers ______________ contribute money and other things to celebrate the festival. (volunteer) 17. People help those ________ fortunate at Thanksgiving. (little) 18. Mr. Bean is hilarious – I was laughing from __________ to the end. (begin) 19. Tom Hanks isn’t an ___________ actor, compared to other actors in Hollywood. (attraction) 20. They found collecting stamps ____________. (interest)