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