TheFrenchmaintaina________separationofpersonalandprofessionallife.
A、hostileC
A . 不友好的，怀有敌意的 ; B 严肃的，认真的 ; C 严格的，坚固的，僵硬的 ; D 快的，迅速的
Peopleappreciate_______withhimbecauseheisknowledgeableandhumorous.
Thechallengeisnotoneofexpansion._______,therapidgrowthinenrollmentoverthelast40yearshascometoanend.
Theybuiltahighway_______themountains.
Thetrafficwasheldupformorethanthirtyminutes,________causedmetoarrivelate.
名词解释：copyright
