关于ought to
问题描述：
关于ought to
---You ought to have called him yesterday.
---Yes,I know I__________________
A ought to B ought to have
C ought to have done D ought to have done
答
ought to= should
你昨天就该给他电话
是的,我昨天就应该打电话给他
should have done= ought to have done
表示本该做某事,却没有做