题干
—I can't stop playing computer games.
—For your health, my boy. I'm afraid you _______.
A：can
B：may
C：must
D：have to
答案(点此获取答案解析）
D
—I can't stop playing computer games.
—For your health, my boy. I'm afraid you _______.
A：can
B：may
C：must
D：have to
