Choose the correct answer
The scientists 1) [will do|would do| will have been doing|will be doing]space research for more than a century soon. By that time they 2) [will send|will be sending|will have been sending| will have sent] into space thousands of man-made objects. According to the mass media, the International Space Station (ISS) 3) [will receive|will be receiving|will have received|will have been receiving] next month a new space crew. Cargo space missions 4) [will fly|will be flying|will have been flying|will have flown] there on a regular basis delivering food and equipment. I believe that as soon as next year some tourists 5) [will be flying|will have been flying|will fly|will have flown] into space just to experience weightlessness and to enjoy a walk outside their spaceship. People 6) [will be using|will have used|will have been using|will use] solar power more and more efficiently and there 7) [will have been|will be|is being|is] no need to burn fossil fuel on Earth. While I am thinking about space trips, somewhere on the launching ground a rocket 8) [has been about|will be about|was about|is about to] blast off into the open space. All this leads me to believe that mankind 9) [is going to|have been going to|has been going to|is to] make space inhabitable by people. Frankly speaking I thought it 10) [will|would be|will be|would] happen sooner.