问题 选择题

Only when I put myself in their position ________ they were more miserable than me.

A.I had known 

B.had I known

C.I knew

D.did I know

答案

答案:D

句意:只有当我设身处地为他们想的时候,我才知道,他们比我更加痛苦。only+状语从句位于句首时,主句要用部分倒装,know这个动作发生在put之后,所以不能用过去完成时,因此选D。

选择题
单项选择题 A1/A2型题