In Europe _______ are the two leading contenders for a global reservations system.
A、SABREandGALILEOC
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The missing boys were last seen ________ near the river.
In the U.K.,the Queen's Silver Jubilee is in _______.
Which of the following country is not a member of OECD?
This is ________ good reading habits are not only an important study skill for the student, but also an important life skill for anyone.
________inthought,healmostranintothecarinfrontofhim.
