_______(safe)needstobeimprovedontherailwaysinthatcountry
safety
暂无解析
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia
TheUnitedStatesisacountry_(advance)inscienceandtechnology
Everyboyandgirl___(treat)inthesameway.
Herfatherleftherallhismoneywhenhedied,whichmadeherfinancially_(dependent)
时差反应是每个国际旅行者可能遇到的问题。翻译