Didn't you see what the naughty boy ( ) to neighbor's pet dog A does B has done C had done Dwould d

问题描述:

Didn't you see what the naughty boy ( ) to neighbor's pet dog A does B has done C had done Dwould d
Didn't you see what the naughty boy ( )
to neighbor's pet dog
A does B has done C had done
Dwould do 答案什么为什 考的是甚么

C,考察过去完成时.以didn't为时间点,在此之前做的事情,用过去完成时:had done.
译:难道你没看到这个淘气的男孩对邻居家的宠物狗做了些什么.