1. It is very easy to skycycle tubes.

2. The green bike is mine.

3. Are you interested in flying cars?

4. You should go such a long way by bike.

5. Although electric cars cause no pollution, they still cause traffic jams.

6. Sue is talking to one of her friends.

7. When I was in secondary school, I usually went to school on foot.

8. GPS technology will be used to increase accuracy and shorten routes.

2 the green bike is mine

3 do you interested in flying cars?

4 you shouldn't go such a long way by bike

5 although electricity cars cause no air, they still cause traffic jam

6 bỏ

1 It is easy to drive skycycling tubes

7 when i was in secondary school, i usually go to school on foot

8 GPS technology is used to be increase accuracy and shorten routes