琥珀屋真实图片大全
tons作主语谓语动词单数还是复数?
tons 作主语,谓语动词用复数,例如:Tons of amber were used to make the Amber Room.成吨的琥珀被用来制造了这个琥珀屋(摘自人教版高中英语第二册Unit1 )(本句中,tons of amber作主语,虽然tons后面跟有不可数名词amber,但是谓语动词和tons保持一致而不是和amber一致,所以用了复数were )