题目内容：

a large sum of加可数名词,还是不可数名词?常有哪些搭配?

优质解答

此句式接单数或复数均可,但谓语动词要用复数
a large sum of +num
a large sum of+[u]（不可数名词）
a large sum of+[c]（可数名词）