Whenwasthenewcross的精选

问题详情：词汇运用；根据句意和汉语提示，在空白处填入一个适当的单词。1.-Whenwasthenewcross-sea_____（桥）inLianyungangcompleted?-InApril,2016.2.Flight846_____（降落）safelytenminutesagowith300passengers.3.Researcher...