Question

i ( ) you ,but i didn`t think you would listen to me.A could have told ,B must have told ,C should

该选哪一个？？为什么不选B

Answer 1

选A
could have done本来能做成的(却没做
couldn't have done 本来做不成的(却做成
我本应该告诉你的，但是我不认为你会听我的

追问

B是什么意思？？must have told 。。我正在预习有好多不会。。谢谢JJ or GG的回答

Answer 2

i ( )C you ,but i didn`t think you would listen to me.
A could have told ,B must have told ,C should have told

追问

C是should tell D是might tell答案给的是A

追答

那就是A了，C就肯定不对了
这考察的是虚拟语气，could have done本已经做了

Answer 3

选c。表示对过去发生的事情进行推测，且用于疑问句时，一般用“could+
have
done”形式。