ThestorytookplaceinAmsterdam,Hollandin(定冠词the)early1940saftertheGermanNazishadoccupiedmostofEurope.TheNazipartyruledGerman(德国应该用Germany)from1933to1945.Oneoftheirkeypolicy(应该用复数policies)wastokillalltheJewsinEurope.IfanypersonsknowntobeJewswas(应该用复数were)found,theywouldbesend(被动式sent)toconcentrationcampsfarthereast,most(应该是副词mostly)inPoland.Familieswereseparatedbut（表示并列应该用and）transportedintrains.Formuch(可数名次用many修饰)days,theygo(过去式went)withoutfood,water,sanitationorfreshair.Toavoidthisterriblefate,someJewishfamilieswentintohiding,oftenunder(应该用with，固定搭配)thehelpofnon-Jewishfriends.全文正确的说法是：Thisisatruestory.IttookplaceinAmsterdam,Hollandintheearly1940saftertheGermanNazishadoccupiedmostofEurope.TheNaziPartyruledGermanyfrom1933to1945.OneoftheirkeypolicieswastokillalltheJewsinEurope.IfanypersonsknowntobeJewswerefound,theywouldbesenttoconcentrationcampsfarthereast,mostlyinPoland.Familieswereseparatedandtransportedintrains.Formanydays,theywentwithoutfood,water,sanitationorfreshair.Toavoidthisterriblefate,someJewishfamilieswentintohiding,oftenwiththehelpofnon-JewishfriendsThisdiarywaswrittenduringthetimewhenAnneandherfamilymovedtoescapefrombeingkilledbyNazis.