I didn't see him yesterday afternoon,He ------have attended it选择：A couldn't B;can't 回答要著名的理由哦

分类: 作业答案 • 2022-02-17 12:36:14

问题描述：

I didn't see him yesterday afternoon,He ------have attended it
选择：A couldn't B;can't
回答要著名的理由哦

答

A
表示对过去的推测

答

这句的could have done是虚拟语气,意思是他（昨天）不可能出席（活动）的