根据句意，用括号内所给单词的适当形式填空。
I couldn’t tell others my _______________(excite) feeling in my heart.
On their way home, they bought _______________(they) something to eat.
You always answer the questions _____________(correct) in class, so you should listen carefully and make fewer mistakes next time.
The food your mother cooks is _______________(taste) than that my mother does.