语法填空
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 1.________ animal would find them
first.The 2.________(cheer) and optimistic rabbit threw himself into looking for the carrot，3.________(dig) here and there，totally convinced that he would find it.But the dog，after sniffing around for a bit，4.________(lie) down and began to complain about how difficult it was to find one bone in such a big
field.
The rabbit dug 5.________hours，and with every new hole the dog complained even more about how difficult this was，even for the rabbit.6.________the rabbit thought that each hole dug was one hole less
that needed digging.When there was no place in the whole field 7.________(leave) to dig，the rabbit
dug a tunnel right to 8.________the dog had been lying all the time.There he found the carrot and the
bone.
This is how the dog lost the game.He had come to 9.________right place at the very beginning but failed to find the bone 10.________he only complained and didn't try at all.