Youlooknotabitolderthanyoudid5yearsago.Howdoyou__________soyoung?
A、changeYou__________putyourcomputerinyourbedroom.
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.
Thecostofthevariousrepairsamounts__________totaltojustoverahundredpounds.
Youlooknotabitolderthanyoudid5yearsago.Howdoyou__________soyoung?
Wherewas__________youmetwiththefamousscientist?