A great deal 作名词作主语时谓语用单数还是复数?
问题描述：
A great deal 作名词作主语时谓语用单数还是复数?
例：A great deal has been studied and we know this is the best .
答
a great deal 修饰的是不可数名词,表示的是量,不是数,当然是接单数动词 .
e.g.A great deal of truble lies before us.