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1. Folk music is a ...............music of a country (tradition)
2. Thomas Edison was the man who ..............the light bulb (invention)
3. A person who is skilled in science or practice of music is a ..............(music)
4. Jazz is a .............of African and Western music (combine)
5. I called on three ..............occasions, but he was out (difference)
6. It's difficult to........what to buy in the supermarket (decision)
7. Marie Curie was the greatest woman who.............radium (discovery)