EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
A、gooutItwasthreeBritishsportsmenwho________banneddrugs.
Itisusefultoscience_______theearthasanobjectinspace.
WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
I'msorryIforgottowrite;Ihadsomuchelse________mymind.
Thewealthofacountryshouldbemeasured________thehealthandhappinessofitspeopleaswellasthematerialgoodsitcanproduce.
