The young today are facing a world (23) _____which communication and information revolution has led (24) _____changes in all subjects. New demands are often placed on the schools in addition to the existing ones, to be (25) ____with current knowledge and modern methods of acquiring new knowledge. The most modem concept that has appeared in the schools of the U.S. is flipped classrooms, (26) ____ students watch teachers’ lectures at home and do what is called homework in class. Teachers record lessons which students watch on their smart phones, home laptops or at lunch breaks in the school libraries. In class, they do projects, exercises or lab work in small groups while the teachers are just the (27) ____ . In no time will this be trend in most of the Vietnamese schools too. 23 A:in B:on C:x D:at 24 A:about B:with C:to D:for 25 A:taught B:given C:equipped D:learned 26 A:on which B:somewhere C:where D:in what 27 A:applicant B.providers C:developers D:facilitators