英语填空题

题目

英语填空题
one day a fisherman saw Ryokan,（）teacher of high reputation,walking on the beach （）a storm.The storm had washed up thousands of starfish on the shore and ( ) were beginning to dry up.Soon ( ) of them would die.Ryokan was picking ( ) starfish and throuwing them into the sea.
The fisherman caught up with Ryokan and said,"Surely you cannot throw all these starfish ( ) into the sea.Thousands of them will still die here.Your effort will be ( ) little use to them."
"It will make a difference to this ( ) ,"said Ryokan,throwing back another starfish into the sea.
求高手人工做题.

答案

a after some all up back certanly starfish