问题补充：
---Mary every day. She likes to do it.
---So she is very healthy.
A. watches TV
B. eats lots of food
C. plays sports
D. has chicken
答案：
A. watches TV
B. eats lots of food
(答案→)C. plays sports
D. has chicken
解析：句意：Mary每一天都锻炼。她喜欢做锻炼。---所以她很健康。watches TV看电视；eats lots of food吃大量的食物；has chicken吃鸡肉。由句意可知选C（锻炼）。
考点: 考查动词短语的用法。
