Theboyranoutoftheclassroomwithouttheteacher's_______.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
Inthefuture,more______shouldbeplacedontheeducationoftheyoung.
Aftersomanydayswithoutrain,thegroundquickly________thelittlerainthatfelllastnight.
Ababymightshowfearofanunfamiliaradult,_______heislikelytosmileandreachouttoanotherinfant.
EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.