A baby might show fear of an unfamiliar adult, _______ he is likely to smile and reach out to another infant.
B
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ShegotajobasanassistantstagemanagerattheCambridgeArtsFestivalTheatre,thinkingthatitmight________toacareerasaplaywright(剧作家).
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
Theoppositionleaders________thegovernmentfornottakingactionsooner.
Itisusefultoscience_______theearthasanobjectinspace.