Inthefuture,more______shouldbeplacedontheeducationoftheyoung.

EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.

Wemust______thattheexperimentiscontrolledasrigidlyaspossible.

GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.

Attendanceatfootballmatcheshave_____sincethecomingoftelevision.