来源：学生作业帮 编辑：作业帮 时间：2019/05/22 02:52:22
A farmer once organized a competition between his dog and his rabbit.He dug a hole in one of his biggest fields,and hid a carrot and a bone in it.He wanted to see ___which__ animal would find them first.
\x09The ___cheerful___ (cheer) and optimistic rabbit threw himself into looking for the carrot,___digging___ (dig) here and there,totally convinced that he would find it.But the dog,after sniffing around for a bit,___lay___ (lie) down and began to complain about how difficult it,was to find one bone in such a big field.
\x09The rabbit dug __for___ hours,and with every new hole the dog complained even more about how difficult this was,even for the rabbit.__But___ the rabbit thought that each hole dug was one hole less that needed digging.When there was no place in the whole field __left__ (leave) to dig,the rabbit dug a tunnel right to __where___ the dog had been lying all the time.There he found the carrot and the bone.
\x09This is how the dog lost the game.He had come to ___the___ right place at the very beginning but failed to find the bone __because__ he only complained and didn't try at all.