1. Electric buses will help reduce air ______ in big cities in the future. (pollute), polluted, polluting, pollutant, pollution, 2. Flying cars seem ______ now, but they will be real in 2050. (possible), possibly, impossible, possibility, possible, 3. Self-driving cars will be less ______ than normal cars because they don't make mistakes. (danger), danger, endangered, dangerous, dangerously, 4. Passengers will travel more ______ in new bullet trains with soft seats and free wifi. (comfort), comfortably, comfortable, comfort, discomfort, 5. Electric scooters are becoming more ______ with young people in many cities. (popular), popularity, popular, unpopular, popularly, 6. The teacher will ______ the new transport system to students next week. (introduction), introduce, introduced, introductory, introduction, 7. Smart traffic lights will help drivers ______ accidents on busy roads. (avoidance), avoiding, avoidable, avoidance, avoid, 8. Future airports won't ______ people to bring large bags on flying taxis. (allowance), allowable, allowance, allow, allowing, 9. One ______ of solar cars is that they don't need petrol. (advantage), advancing, advantage, advantaged, advantageous, 10. In the future, we can ______ our electric bikes at any bus stop. (charger), chargeable, charging, charge, charger

E7-WORDFORM-U11

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