If you really want yourself to be in good health you must always so much.A. not; be smo

问题补充：

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

答案：

(答案→)A. not; be smoking

B. not; have smoked

C. not; to smoke

D. be not; smoking

解析：must not always be doing sth. 表示“不要老是做谋事”，含有埋怨、指责、反感等感情色彩。