all the food on the table __ very good.choose "is"or"are",why?thank you~

问题描述:

all the food on the table __ very good.choose "is"or"are",why?thank you~
all the+名词 后面的动词用单复数是要看名词而定?

is
food是不可数名词
是的,如果该名词是不可数名词,虽然有all,也是用单数谓语动词.