Eating fruits and vegetables____good for people if they are weak and tired.A.is B.are C.were D.was

问题描述:

Eating fruits and vegetables____good for people if they are weak and tired.A.is B.are C.were D.was
明天就要考试了,

选A这个是动作作为主语eating跟后面的fruits 和vegetables 是没有关系的动词的ing形式做主与一般都用第三人称单数形式