问题
选择题
— I can't stop smoking, doctor.
— For your health, I'm afraid you _____. [ ]
A. must
B. have to
C. will
D. can
答案
答案：B
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— I can't stop smoking, doctor.
— For your health, I'm afraid you _____. [ ]
A. must
B. have to
C. will
D. can
答案：B