Read the following passage and choose the letter A, B, C or D to complete the passage

Read the following passage and choose the letter A, B, C or D to complete the passage. 
 Physical activity is the (1)……………………. obvious benefit of sports participation. 
Children often spend too much time watching television or (2)………………..video games. 
But sports practices and games provide an opportunity for exercise that can help keep kids in 
shape and (3)………………………….
 Sports participation can help children develop social skills that will benefit 
them(4)…………………. their entire lives. They learn to interact not only with other children 
their age, (5)………………… also with older individuals in their coaches and sports officials. 
Kids learn leadership skills, team-building skills and communication skills that will help them 
in school, their future career and personal relationships.
11. A. more B. much C. most D. least
12. A. doing B. playing C. paying D. watching
13. A. healthy B. wealthy C. happy D. funny
14. A. for B. on C. at D. throughout
15. A. and B. so C. but D. then