老师说错了.
what she could这里是宾语.相当于something
Our teacher did sth to help us to help这里是目的.
I did nothing but do.这里和but 有关.和did没有关系.
老师说错了.
what she could这里是宾语.相当于something
Our teacher did sth to help us to help这里是目的.
I did nothing but do.这里和but 有关.和did没有关系.