Complete the sentences with the correct verbs in the box and will.
Have/travel/not solve/need/be(x2)
My dad thinks that in the future people won't drive cars, because they ________ by train, bus or bicycle. But I think that in the future most people ________ cars. The cars ________ quieter and cleaner because they _______ electric, but they _________ our traffic problems. We _________ more roabs andcar parks.