英语啊!It is not ______ to see students lost in a sea of homewo

英语啊!
It is not ______ to see students lost in a sea of homework both at school and at home.
A.modern B.worried C.sad D.strange
things always get _______ without the right ideas.
A.worse B.easier C.better D.more wonderful
A horse could run faster after a ______, but for students only rest isn't enough
A.meal B.moment C.minute D.rest