完型填空:Formorethansix__1__Americanchildren,cominghomeafterschoolmeanscominghome
toanemptyhouse.SomeofthemwatchTathome,someofthemmayhidethemselevesinsomeplaces.Butallofthemhave__2__incommon.Theyspendpartofeachdyalone.Theyarecalledlatchkeychildren.Thelatchkeychildrenhaveto__3__themselveswhiletheirparentswork.
LynetteLongwasoncetheheadmasterofajuniormiddleschool.Shesaid,"Wehavemadeaschoolruleagainst__4__jewellery(珠宝).Alotofchildrenhadchainswithkeys__5__theirnecks.Iwasalwaystellingthemtoputtheminsidetheirshirts.ThereweresomanykeysthatIdidn'tunderstandwhattheymeant.Slowly,shelearnedthattheywerehousekeys.
Sheandherhusbandbeganhelpingthesechildren.Theylearnedthatfear(害怕)isthebiggestproblemfacedbychildrenathomealone.Over30%ofthelatchkeychildrenwere__6__theirownsafety.