Regular and enough sleep is the key________ health.
A. for
B. with
C. to
D. on
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Developing good living habits, eating_____________ and doing exercise are good ways to keep fit.
A.a lot of fat
B.less coarse
C.more meat
D.a well-balanced diet
Doing exercise regularly is ____________ our health.
A.good for
B.good to
C.benefit
D.helpful
A: What do you do to keep fit?_______________.
A. Reading books
B. Playing computer games
C. Staying up
Doing exercise
A: __________ do you exercise?B:Twice a week.
A. How many
B. How long
C. How often
D. How much
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