Question

【题目】Only when I left my parents for Italy ________ how much I loved them.
A.I realized
B.I had realized
C.had I realized
D.did I realize

Answer 1

【答案】D
【解析】only位于句首修饰状语需要倒装，根据句意在我离开父母去意大利后我才意识到我是多么爱他们。推断主句的时态不是发生在从句动作之前，故应用一般过去时。排除C，选故D。