C 9 D 10 A 11 B 12 B 13 D.\r14 C 15 D 16 B 17 A 18 C 19 D 20 D\rUnit 7\rIII\r1. modernize 2. interpret 3. distributing 4. punctually 5.\rconservation\r6. maximum 7. exported 8. conquer 9. classification 10. recreation\rIV\r1. by name 2. in high gear 3. turned out 4. At times 5. as to\r6. stem from 7. put in 8. on the subject of 9. in the interest of 10.\rwork on\rD G N B I M E J A\rVI\r1. life 2. economy 3. conversation 4. politics 5. country\r6. garden 7. industry 8. literature 9. interview 10