Myteachertoldmetofinishthework.ButIdidn’tknow

问题详情：

My teacher told me to finish the work. But I didn’t know _______.

        A. how to do it                      B. what to do it

       C. where to do                       D. when to do

【回答】

A

知识点：非谓语动词

题型：选择题