Human behavior is mostly a product of learning ________ the behavior of animals dependsmainly on instinct.
A、soD
暂无解析
Onlya(n)________fewwereinvitedtothedancingparty.
Takeit______.Itisnothingbutajoke.
SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.
GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.
