a large quantity of ,large quantities of后面加n.的复数还是单数?是接〔C〕还是〔U〕,还是2种都可以

问题描述:

a large quantity of ,large quantities of后面加n.的复数还是单数?
是接〔C〕还是〔U〕,还是2种都可以

前者可加可数名词复数或不可数名词,后者只能加可数名词复数