Câu trong ảnh làm như nào các bạn ơi...

Here are the corrected answers: 1. Skycycling tubes will be easy to drive. (it) -> It will be easy to drive skycycling tubes. 2. My bike is green. (mine) -> My bike is one of mine that is green. 3. Do flying cars interest you? (interested) -> I am interested in flying cars. 4. It isn't a good idea to go such a long way by bike. (should) -> You shouldn't go such a long way by bike. 5. Electric cars cause no air pollution, but they still cause traffic jams. (although) -> Although electric cars cause no air pollution, they still cause traffic jams. (This sentence is already correct) 6. Sue is talking to a friend of hers. (one) -> Sue is talking to one of her friends. 7. When I was in secondary school, I usually walk to school. (foot) -> When I was in secondary school, I usually went to school on foot. 8. Normal train isn't as fast as bullet train. (than) -> Bullet train is faster than the normal train.