6. Though many people observed the accident in the center of the city, they were not sure about the exact sequence of events.
[A] order [B] process [C] result [D] cause
7. Davy Crockett was reared in eastern Tennessee.
[A] born [B] well-known [C] brought up [D] killed
8. Kit Carson, an American frontiersman, was one of the most sensational heroes of the Old West.
[A] exciting [B] distracting [C] enigmatic [D] ostentatious
9. Automobile experts have shown that halogen headlights penetrate thick fog more effectively than traditional incandescent headlights and thus help to reduce accidents.
[A] dissolve [B] perceive [C] touch [D] pierce
10. The football player was penalized for unnecessary roughness.
[A] side-lined [B] condoned [C] punished [D] condemned