阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Once a man was walking along a beach. The sun was shining and it was a beautiful day. In the distance he 【小题1】 see a person going back and forth between the surf’s edge 【小题2】the beach. As the man approached, he could see there were hundreds of starfish stranded(搁浅的) on the sand as the result of the natural 【小题3】(behave) of the tide.

The man was stuck 【小题4】 the apparent uselessness of the task. There were far too many starfish. Many of them were sure to die. As he approached, the person continued the task of 【小题5】up the starfish one by one and throwing them into the ocean.

As he came up to the person, he said, “You must be crazy. There are 【小题6】(thousand) of miles of beach 【小题7】(cover) with starfish. You can’t 【小题8】(possible) make a difference.” The person looked at the man. He then bent down and picked up one 【小题9】(many) starfish and threw it back into the ocean. He turned back to the man and said, ＂It surely made a 【小题10】to that one!＂