Onceamanwaswalkingalongabeach．Thesunwasshininganditwasabeautifulday．Inthedistancehecouldseeaperson （61）___（go）backandforthbetweenthesurf'sedge（62）___thebeach．Asthemanapproached，hecouldseetherewerehundredsofstarfishstrandedonthesandastheresultofthenatural（63）___（act）ofthetide．

Theman（64）___（stick）bytheapparentuselessnessofthetask．Therewerefartoomanystarfish．Manyofthemweresuretodie．Asheapproached，thepersoncontinuedthetaskof（65）___（pick）upthestarfishonebyoneandthrowingthemintotheocean．

Ashecameuptotheperson，hesaid，"Youmustbecrazy．Thereare（66）___（thousand）ofmilesofbeach（67）___（cover）withstarfish．Youcan't（68）___（possible）makeadifference．"Thepersonlookedattheman．Hethenbentdownandpickedupone（69）___（many）starfishandthrewitbackintotheocean．Heturnedbacktothemanandsaid，"Itsurelymakesadifference （70）___thatone!"