public transport - a system of vehicles such as buses or trains used by the public, crowded - full of people, main road - a large and important road, convenient - near or easy to get to or use, green - relating to the protection of the environment, fuel - petrol/diesel/gas, pollution - dirty air, fare - the money that you pay for a journey in a vehicle such as a bus or train, traffic jam - a large number of vehicles close together and unable to move or moving very slowly, reliable - regular and efficient, believed, in advance - before doing a particular thing,

transport basic 10

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