ears ’3. millions 4. sunny 5. herself 6. clearly 7. Knives 8. twelfth 9.wr it ten 10. earliest 词形变换(五) 1.seen 2.runner 3.yours 4.rains 5.feet 6.carefully 7.second 8.cleaned 9.frightened 10.finishing 词形变换(六) 1. reefs 2. Lily ’s and Lucy ’s 3. broke 4. healthily 5. thirds 6. Canadian 7. protecting 8. ourselves 9. nearest 10. differences 词形变换(七) 1. hottest 2. ninth 3. arrived 4. speaks 5. easily 6. planted 7. himself 8. throwing 9. woolen / wool l en 10. months 词形变换(八) 1. dangerous 2. cities 3. his 4. best 5. yourselves 6. carries 7. lying 8. held 9.thirty-first 10 highly 词形变换(九) 1. luckily 2. boxes 3. youngest 4. built 5. driver 6. worried 7. cutting 8. least 9. tastes 10. themselves 词形变换(十) 1. tomatoes 2. friendly 3. sank 4. winner 5. smaller 6. making 7. myself 8. windy 9. happily 10. hurt