11. You stand on the ___ then turn on the switch and drive away. It looks like a laptop with 4 wheels.

A. walkcar                             B. bamboo-copter                C. solar-powered ship

12. A ________ is a high-speed transportation system for both public and goods transport.

A. walkcar                             B. hyperloop                         C. solowheel

13. A convenient way to go to school is by ________. Just put it on and fly away.

A. skyTran                            B. teleporter                          C. bamboo-copter

14. “________” is a type of transport that doesn't need any wheels or railways.

A. Solowheel                        B. Flying car                         C. Teleporter

15. 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

coin à 

có 20k nek nhưng ship seo :))

11. You stand on the ___ then turn on the switch and drive away. It looks like a laptop with 4 wheels.

A. walkcar                             B. bamboo-copter                C. solar-powered ship

12. A ________ is a high-speed transportation system for both public and goods transport.

A. walkcar                             B. hyperloop                         C. solowheel

13. A convenient way to go to school is by ________. Just put it on and fly away.

A. skyTran                            B. teleporter                          C. bamboo-copter

14. “________” is a type of transport that doesn't need any wheels or railways.

A. Solowheel                        B. Flying car                         C. Teleporter

15. 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

6. Mai __________ about types of energy sources now.

A. talks                                  B. is talking                           C. talking

7. We __________ solar energy to replace energy from coal today.

A. are using                           B. is using                              C. using

8. Keep quiet! The students of Class 8A _________ a test.

A. taking                                B. is taking                            C. are taking 

9. Scientists ____________new energy sources to protect the environmen

A. are developing                 B. is developing                   C. develop

10. We ____________ the use of nuclear energy nowadays.

A. reducing                           B. are reducing                     C. is reducing