关于英语语法的改错题!
问题描述：
关于英语语法的改错题!
I [ don't (1)] know [ how (2)] I'm going [ to do(3)].
(1) (2) (3) 中哪个错了?并改正.
答
I don't know how to do it.
I don't know what to do.
do是及物动词,需要有宾语.