That sentence _______ is wrong.
A. himself
B. its
C. itself
D. it
Nobody taught her drawing. She learned it _______.
A. she
B. her
C. hers
D. herself
The police hid(躲藏)_______ behind the building.
A. himself
B. themselves
C. itself
D. herself
_______ in the world is difficult if you put your heart into it.
A. Everything
B. Nothing
C. Something
D. Anything