choose the best options to complete the following sentences
1.''................'' is a type of high - speed train which originated in japan
A.Hover scooter                  B.Bullet train                         C.skycycling
2.We just wear ...........on our back and we can fly
A.a skytrain                      B.a teleporter                          C. a jetpack
3. '' ...................'' is an underground train system, especially the one in paris
A.Metro                               B.Monowheel                        C.Skytrain
4.''........................'' has one wheel and is very easy to fall
A.Monowheel                        B.Hover scooter                      C.Sky safety system
5.''...................'' is a type of  transport that doesn't need any wheels or railways
A.Skycycling                        B.Flying car                          C.Teleporter
6.When using a................, you can do anything you like such as reading or sleeping .
A.driverless car                      B. solar - powered car                 C.high - speed train
7.They ....................the boat out into the middle of the river
A.pedaled                        B.functioned                           C.sailed
8.people  can..................on the Dead Sea because the water there is very salty
A.Flop                            B.float                                  C.crash 
9.Maybe this transport invention will be used a lot of in the future because it's convenient and..............
A.gridlocked                          B.environmentally friendly                   C.weird
10.This morning I couldn't go to work in time because of...............
A.gridlocked                         B.supersonic                                       C.solar- powered