15. a. government b. technical c. parallel d. understand
16. a. Pyramid b. Egyptian c. belongs d. century
17. a. construction b. suggestion c. accurate d. hi-jacket
18. a. dedicate b. impressive c. reminder d. descendant
19. a. remember b. company c. technical d. interview
20. a. electric b. computer c. fascinate d. fantastic
21. a. domestic b. investment c. substantial d. undergo
22. a. confident b. influence c. computer d. remember
23. a. optimist b. powerful c. terrorist d. contrary
24. a. government b. destruction c. contribute d. depression
25. a. institute b. consumption c. specific d. encounter
26. a. tableland b. apparent c. atmosphere d. applicant
27. a. vulnerable b. satelite c. eleven d. element
28. a. arrival b. technical c. proposal d. approval
29. a. empire b. employer c. conductor d. transitor
30. a. celebrate b. fascinating c. survive d. elephant