Read the following announcement and mark the letter abc or d on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 13 to 16

read the following announcement and mark the letter abc or d on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 13 to 16.
Dear Students,
maintaining good health is important for your well-being. Here are some tips:
1. Healthy eating: eat (13)... whole grains, and healthy fats every day.
2.Regular activity: incorporate (14)... minutes of physical activity (15)... your daily routine.
3. Proper rest: ensure you get a few hours of rest each night to keep your body (16)... well.
Q13. a. no    b. all    c. a variety of    d. the
Q14. a. much    b. little   c. a few    d. several
Q15. a. into   b. from   c. of   d. on
Q16. a. function   b.functioning   c. functioned   d. functions