It's important to___what he is doing.A.find B.find out C.look D.look for原因?
问题描述：
It's important to___what he is doing.A.find B.find out C.look D.look for原因?
答
很高兴能够在这里回答你的问题：
选B
find 是找到,强调结果
loof for 是寻找 ,
find out 是找出,
而这里是找出他在干什么,所以要用find out
look后要跟介词,直接排除