_______(safe)needs to be improved on the railways in that country
safety
暂无解析
InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.
Hecouldnot________histearsonhearingthathewasnotadmittedtotheuniversity
Thepresentcrisisbearssome________(similar)totheoilerisisofthe1970s
有人提出管理过程就是决策过程。翻译
Ataskofthepostofficestaffisto_(class)mailaccordingtotheplacesitistogo