Eating vegetables ______our health A.are good for B.are good at C.is good for D.is good atEating vegetables ______our health A.are good for B.are good at C.is good for D.is good at 哪个是正确的,要解析
问题描述：
Eating vegetables ______our health A.are good for B.are good at C.is good for D.is good at
Eating vegetables ______our health
A.are good for
B.are good at
C.is good for
D.is good at
哪个是正确的,要解析
答
C
这里是说“吃蔬菜”这件事，有好处，所以用单数。
答
C.is good for
主语是动名词，谓语要用单数；be good for对。。。有好处，固定短语，其它都不对
答
c
答
C
是一种固定句型，主语单数
答
选C
be good at 是擅长……的意思
be good for 是对……有益的意思
这句话主语是eating vegetables 用is