TỜ thứ nhất
1, Yes ,it can
2, If we didn't waste so much energy , our resources would last longer
3, Because they are non-renewable energy
4, We really won't survive unless we start working on cleaner and safer sources of energy

Do you think this way of transport will appear in cities in Viet Nam soon?
1, It is introduced in Milton Keynes , northwest of London.
2, They can select their terminal.
3, Yes , they are.