In Europe _______ are the two leading contenders for a global reservations system.
A、SABREandGALILEOC
暂无解析
WhichofthefollowingcountryisnotamemberofOECD?
InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
________inthought,healmostranintothecarinfrontofhim.
Chinaisamountainouscountry.Hills,mountains,andplateauscover_______ofthetotalarea.
You’llbetheretomorrow--youwon’t________me________,willyou?