by now we _____ what has happened to those people A has known B has got to know

来源:百度知道 编辑:UC知道 时间:2024/06/25 17:24:10

AB都不对,应该是
have got to know

选A 表示已经知道了。

B是说我们要去了解发生了什么,与by now一起用意思不妥,by now是到现在为止,所以如果是用B的话,最好是只用now

应该是have known 因为we 是复数

都不对,不可能是has