I. Choose the word whose 1. A. machine 2. A. snacks 3. A. commerce 4. A. laughed 5. A. polluted 6. A. nature 7. A. swallow 8. A. promise 9. A.technical 10. A. there 11. A. helps 12. A. vehicle 13. A. human 14. A. common 15. A. swing B. invention B. follows collect B. B. beloved B. consume B. nation B. switch B. devise B. conquest B. appear B. laughs B. exhausted B. happen B. century B. swallow B. provides B. supply B. naked B. influenced B. sport 16. A. stops 17. A. small 18. A. hoped 19. A. decreased 20. A. compete II. Choose the best answer: 1 The town C. education C. readers C. combine C. worked C. nuclear C. suggestion C. sweet C. surprise C. psychology C. wear C. proves C. hydroelectricity C. helpful C. country C. answer C. documents C. sure C. mended C. endangered C. effort we are living is noisy and crowded. D. chamber D. titles D. correct D. dressed D. fuel D. situation D. sword D. realise D. change D. prepare D. cooks D. honor D. hour D. collect D. swim D. books D. species D. competed D. establishe D. introduce