IV. Use the correct form of the word in parentheses : 11. These actors gave good _________________ last night. (perform) 12. He gave the teacher a _______________ of reasons for his absence yesterday. (vary) 13. She prefers this black chair to that brown chair because the brown chair is ________. (comfort) 14. We like attending English __________________ contests at school. (speak) 15. Alexander Graham Bell _________________ to Canada in 1870. (migrant) 16. It was very difficult for the boss to ________________ the workers. (peaceful) 17. Satellite photographs provide a wide range of ____________________. (inform) 18. The Internet plays an _________________ part in man’s life. (importance) 19. Dalat is famous for its __________________ scene. (nature) 20. Many people are living behind their _____________________way. (tradition) 21. Children like watching _________________ program on TV. (entertain) 22. Until her illness, she is still the main ____________________ of her family. (provide) 23. Well-paid jobs seem to be very ___________________ in cities. (plenty) 24. India is an _____________________ country. (population)