【单选题】Though many people observed the accident which occurred in the center of the city, they were not sure about the exact (series) of events. 选择能代替括号里的选项
【简答题】选出正确的序数词。 ( ) 1. one ( ) 2. two ( ) 3. three ( ) 4. five ( ) 5. eight ( ) 6. nine ( ) 7. twelve ( ) 8. four A. first B. third C. eighth D. twelfth E. second F. fifth G....