1 you/ready/ fly / a poitless plane
2 I think / electric cars / replace / gasoline cars / twenty years
3 I/ would prefer / have/ jet pack / fly/ the moon / someday
4 many people / travel/ work / flying car / 2050
5 at present / inventors/ constantly / work / on/ improve / transportation
6 we/ have/ driverless vehicles/ near future?
7 You/ ever/ travel/ a high - speed train?
8 Althouh/ electric cars / can / help / reduce / air pollution / they / still/ cause / traffic conges6
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Sinh Học lớp 12
