请教英语高手一道关于情态动词的题目Do you still remember the day when we went to the Great Wall?I can’t remember it well ,but —— sometime last autumn?A.might it be B.could it have been C.would it be D.must it have been 请问哪个是正确答案?希望大家可以告诉我为什么选择那一项？
问题描述：
请教英语高手一道关于情态动词的题目
Do you still remember the day when we went to the Great Wall?
I can’t remember it well ,but —— sometime last autumn?
A.might it be B.could it have been
C.would it be D.must it have been
请问哪个是正确答案?
希望大家可以告诉我为什么选择那一项？
答
B,could/can表示安常理推测
答
A
答
因为时间状语是last autumn 先把AC排除.
must have done 一定做过某事
B
could have done/been 在过去某个时候的可能
答
b