Поставьте глаголы в скобках в нужном времени: will, the future continuous, future perfect or present simple. air pollution is a big problem, so i think we (have to) find new sources of energy. in ten or twenty years, we (drive) biofuel or solar powered cars. by the end of this decade, mobile phones (change) a lot. i think they (become) much smaller and instead of a screen they (have) a holographic projection. when we (make) a call, we (be able) to see a hologram of the other person standing in front of us! (i/spend) a holiday in space by the time i'm thirty? i certainly hope so! many ученые верят что в будущем люди (be able) to spend свои каникулы в специальных отелях on the moon. (be) the trendiest место для молодых married couples to spend their honey moon