1) There will be no traffic on the streets of big cities? a) ✅ b) ❌ 2) There will be no ———-in the cities a) Noise b) Signals c) Cars 3) All traffic will be a) Above the ground b) Underground c) Above the ground and below the ground 4) What will help people reach the street level? a) Elevators b) Escalators c) Bridges d) Tunnels 5) Vehicles on underground and overhead streets will have cushioned wheels to reduce noise.? a) ✅ b) ❌

The third unit🌷

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