1) he saw this film yesterday общий did he see this film yesterday? альтернативный did he see this film yesterday or 5 days ago? специальный when did he see this film? разделительный he saw this film yesterday, didn*t he? вопрос к подлежащему who saw this film yesterday? . 2) i will go to school tomorrow общий will i go to school tomorrow? альтернативный will i go to school or to the cinema tomorrow? специальный where will i go tomorrow? разделительный i will go to school tomorrow, won*t i? вопрос к подлежащему who will go to school tomorrow? . 3) we are reading an interesting book now общий are we reading an interesting book now? альтернативный are we reading an interesting book or a magazine now? специальный what are we reading now? разделительный we are reading an interesting book now, aren*t we? вопрос к подлежащему who is reading an interesting book now?
Colonisation of the Moon or other planets in the Solar system might be necessary one day. People over-use natural resources and sooner or later there will be no gas, oil or coal, Air and water will be so polluted that people will have to look for homes on other planets. It wouldn't be desirable but quite possible. The problem is that the humanity has no technology to travel to other planets and to remain there for ever. Governments prefer to spend money on weapons instead of inventing technologies to save our planet. I personally believe that moving to other planets might be a disaster for the people. They wouldn't be able to survive there. Sadly enough, there are no suitable planets in the Solar system where we could settle. I wouldn't like to live in the metal box on some dead planet all my life. Though if we go on the way we do now, Earth will also become a dead planet.
