用所给单词或短语的适当形式填空。每个单词或短语限用一次
pull   cost   educate   have   be good for
【小题1】I __________ the schoolbag for three years.
【小题2】Look！All the rabbits__________ the carrot together. How funny！
【小题3】The new car __________ him more than eighty thousand yuan. He didn't have much money left.
【小题4】If you walk for a while every day，it __________ your health.
【小题5】The public should __________ to care about wild animals and protect the environment.