用方框中所给单词的适当形式填空，使短文通顺正确连贯（每个单词限用一次）

Mr. Hunt has cows, goats, sheep and hens, but he doesn’t have any pigs. _____one day he buys twenty little pigs and has a pigsty(猪圈)built for them. He wants someone to look _____his pigs. There is a boy who doesn’t have _____work to do .He agrees(同意) to work_____ Mr. Hunt. Mr. Hunt tells the boy to count the ______every evening and see if there are twenty in the pigsty.
The first evening Mr. Hunt goes there to see if everything is all right.
“_____there twenty pigs here ?”
“I_____know.”answers the boy.
“You don’t know, but how do you count____”
“I can only count _____pigs and that little pig over there is running about all the time and it’s hard for me to count it.” ______the boy