1.Always doing exercise, with proper diets,_________our health in the long term.
A. Benefit B. are benefited
C. benefits D. is benefited
答案及解析：C
句意：规律运动配合适当的饮食，从长远来看对我们的健康有益。在主谓一致中，along with采取就远原则，即谓语动词的单复数取决于regular exercise，故谓语用第三人称单数，主语与动词之间为主动关系。故选C。
