题目

Only when _____ how important it was to master English. A.did i work i realized B.I worked did I
B.I worked did I realize C.did I work did I realize D.I work I realized

提问时间：2021-02-27

答案

答案：B .I worked did I realize 解析：Only + 状语【副词、介词短语或状语从句】位于句首时,主句要用倒装语序【将助动词前提放在主语之前】.如果是“Only + 状语从句”位于句首,主句倒装,从句不到装【你所给试题即...