–Doyouknowthemanunderthetree?  --Sorry,Idon’tknow

问题详情：

 –Do you know the man under the tree?

   --Sorry, I don’t know _______.

 A. how is he        B. what is he           C. who he is       D. bother

【回答】

C 

知识点：宾语从句

题型：选择题