InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.

TheWesternCouncilforTravelResearchin_______employedthetermvisitor.

In 1985,_______ became the first international hotel company to open a hotel in China bearing its own name.

Scientists doubt wheth er it ’s ________ to regulate one ’s biological clock by drinking.

It _______ for two hours now