问题
填空题
根据首字母和所给英文释义，填写单词。
1. r_____ : a competition in speed (速度)
2. o_____: to do what a law or a rule says
3. a_____: to be successful in doing or finishing something by trying hard
4. i _____: the quality of being very important
5. s_____: to gain sth or reach an aim
答案
1. race 2. obey 3. achieve 4. importance 5. succeed