第1个回答 2011-06-22
dollars谓语动词用单数,这是因为在“主谓一致”当中有一项规定如下:
表示“时间、重量、长度、价值”等的名词的复数作主语时,谓语动词通常用单数形式, 这是由于作主语的名词在概念上是一个整体,如:
Thirty minutes is enough for the work.
A hundred kilos is too heavy for Tom to bear.
Four kilometres is not very far.
Two thousand dollars is the cost of the product
钱不论数字多大,都看成整体
希望采纳
加油