One of the best ways for people to keep fit is tohealthy eating habits.A. growB. developC.

问题补充：

One of the best ways for people to keep fit is tohealthy eating habits.

A. grow

B. develop

C. increase

D. raise

答案：

A. grow

(答案→)B. develop

C. increase

D. raise

解析：答案为B. develop形成，开发；develop a habit of…形成……习惯。