The future of our transportation is depended on___________. (invent)

1.       The future of our transportation is depended on___________. (invent)

2.      Are there any___________ trains in the world today? (driver)

3.      This button of the teleporter will make us ___________ from invisibility. (appear)

4.      The ___________ of high-speed trains didn’t help much on noise reduction. (exist)

5.      The airplane crash    damaged the area ___________. (serious)

6.      We consider___________ one of the biggest inventions of human being. (teleport)

7.       His driving test result was ___________ than mine. (bad)

8.      He has __________ bought a new car. (recent)

9.      This is the most __________ machine in our field. (value)

10.   They ride their bicycles to the countryside for__________. (please)

11.    Our __________ from London to Sydney took 24 hours (fly)

12.   Air __________ makes us unhealthy (pollute)

13.   My new car is more __________ than the one I had before (economy)

14.   It was one of the most important __________ (achieve)