‘I wish my sister had mailed my letter yesterday’, said John. From John’s utterance we know that his sister __________ it.

‘I wish my sister had mailed my letter yesterday’, said John. From John’s utterance we know that his sister __ it.

A. Has mailed

B. Had mailed

C. Would mail

D. Didn’t mail

E. Hadn’tmailed

Jawabannya Adalah:    D