A lot (has been done)to save the old man's lifeA lot (has been do_英语解答

A lot (has been done)to save the old man's life
A lot (has been done)to save the old man's life.为什么要这样填

人气：412 ℃　时间：2020-01-06 06:29:19

解答

本句意思是：医生已经想尽各种办法去抢救老人的生命.显然结果是老人已经死了.判定为过去式,a lot 是代表数量的词.用单数.has