If you really want yourself to be in good health, you must___always___so much.
A. not; be smoking
B. not; have smoked
C. not; to smoke
D. be not; smoking
网友回答
(答案→)A. not; be smoking
B. not; have smoked
C. not; to smoke
D. be not; smoking
解析:mustn’t be doing与always连用,表示“一定不要总是在做……”,含有“埋怨、不满”等感情色彩。