________somanypeopleintheUnitedStatesbeenoutofworkastoday.
A、Morethaneverbefore________ they've got to know each other a little better, they get along just fine.
Human behavior is mostly a product of learning ________ the behavior of animals dependsmainly on instinct.
GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.
A baby might show fear of an unfamiliar adult, _______ he is likely to smile and reach out to another infant.
It'smore________tobuyaseasonticketifyoutraveleveryday.
