Choose from A, B, C, or D the one that best fits each of the blanks in the following passage.

The Internet bus In the desert areas that surround Tucson city, USA, students spend hundreds of hours on yellow buses each year getting to and from their schools. But when mobile internet equipment was (46)____________  on a yellow school bus, the bored, often noisy, teens were transformed into quiet, studious individuals. District officials got the idea during (47)____________  drives on school business to Phoenix, two hours each way, when they (48)____________  that, when they went in pairs, one person could drive and the other could work using a laptop and a wireless card. They (49)____________  if internet access on a school bus could (50)____________  students’ academic productivity, too. But the idea for what students call ‘the internet bus’ really took shape when the district’s chief information officer (51)____________  across an article about having internet across in cars. He thought, “What if you could put that in a bus?” The officials have been delighted to see the (52)____________  of homework getting done, morning and evening, as the internet bus (53)____________  up and drops off students along the 70-minute drive. (54)____________  some students spend their time playing games or visiting social networking sites, most students do make (55)____________  their travel time to study.

 

But when mobile internet equipment was (46)____________  on a yellow school bus, the bored, often noisy, teens were transformed into quiet, studious individuals.