I Choose the word that best completes each space in the passage. Mark your choice A, B, C, or D on the answer sheet: 

the sixteenth century it For thousands of years tobacco was used by the American Indians. (26)........ was brought to Europe. This early tobacco was (27).............. with soil and was rather dirty. It was chewed andsmoked in pipes only by men- women thought it was smelly and disgusting.
Tobacco was first grown (28) in the United States in the 17th century on large harvested by slaves. In the 18 century new (29)......... refined tobacco and the firstplantation's andcigarettes were Chainproduced. By the 1880s huge factories were producing cigarettes which were easy (30)........... smoking and inhaling became possible and by the middle of the 20th century tobacco addicts, both men and womenwere dying of lung cancer in great numbers 
26.     A. In     B. On     C. At     D. For
27.     A.mixing     B. mixed     C. mixture     D. mix
28.     A. commerce     B. commercial     C. commercially     D. commercialize
29.     A. technology      B. technical       C. technician      D. technological 
30.     A. smoke        B. smoking        C. smoked       D. to smoke