What do you do to keep fit?_______________.
A、Reading books
B. Playing computer games
C. Staying up
Doing exercise
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__________ do you exercise?Twice a week.
A. How many
B. How long
C. How often
D. How much
Doctor: What’s the ___________?Patient: I have got a stomachache.
A. disease
B. wrong
C. matter
D. thing
Doctor:______________have you been like this?Patient: I felt uncomfortable since last night.
A. How long
B. How often
C. How soon
D. How much
Patient: I couldn’t sleep well.Doctor: Let me____________ some medicine for you.
A. write
B. open
C. prescribe
D. pay