6. He was ... in a car crash. (wounded/injured)
 7. Are you .........
 in astronomy? (interesting/interested)
 8. Yes, it's an
 subject. (interesting/interested)
 9. Columbus .... America. (invented/discovered)
 10. Bell ............ the telephone. (invented/discovered)
 11. What is the ... fashion from Paris? (latest/last)
 12. The lake weter is ....... in the morning before people begin
 swimming. (clear/clean)
 13. Stay for
 instruction. (farther/further)
 14. Take ............ day as it comes. (every/each)
 15. Derek is......... for his age. (big/old)
 Exercise 7
 We are rather ..... about the way we cook. (careless/
 carefree)
 She had been lively and ........... (careless/carefree)