句型练习。
The shirt cost me only 50 yuan. （就划线部分提问）
did the shirt cost?
That dictionary cost me $10 . (同义句)
I 10 for that dictionary.
My parents should allow me to study with friends.（改为被动句）
I should to study with friends.
I used to be a naughty boy. (改成一般疑问句)
you be a naughty boy?
The little boy cried because he was hungry.（就画线部分提问）
the little boy cry?
