在两港间航程___海里及以上的客船上服务的船长和高级船员应当持有适用于相应航区3000总吨及以上或者3000千瓦及以上船舶的适任证书
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_______hegoes,shewillgo,andshenevercares_______happens.
Thetrafficwasheldupformorethanthirtyminutes,________causedmetoarrivelate.
Peopleappreciate_______withhimbecauseheisknowledgeableandhumorous.