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 –I can’t stop smoking, doctor.

    --For your health, I’m afraid you________.

A. may       B. need      C. must       D. have to

—I can’t stop smoking, doctor.    — For your health, I’m afraid you ______.

    A. may              B. can              C. have to      D. need

—I can’t stop smoking, doctor.    — For your health, I’m afraid you ______.

    A. may              B. can              C. have to      D. need

—I can’t stop smoking, doctor.    — For your health, I’m afraid you ______.

    A. may              B. can              C. have to      D. need