问题描述：
Bob,Marcia,and Tom had a race.Bob ran the race in 21seconds.Marcia's time was 23 seconds. Tom ran the race in 22 seconds.
1.Marcia finish in_______________________place.She was the _________runner.
2.Bob finished in_______________________place.He was the__________runner.
3.Tom finished in_________________________place.
急急急！！！！！！！！！！！！！！！！！！今天就要！！！！！！！！！！！！！
1.Marcia finish in_______________________place.She was the _________runner.
2.Bob finished in_______________________place.He was the__________runner.
3.Tom finished in_________________________place.
急急急！！！！！！！！！！！！！！！！！！今天就要！！！！！！！！！！！！！
问题解答：
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