Three and a half days () not a short time A is B are_英语解答

Three and a half days () not a short time A is B are

人气：406 ℃　时间：2020-04-15 10:10:14

解答

A
表示时间、距离,重量,金钱等作主语时把其看作一个整体,谓语动词要用单数.