1. He has just ( finished) his work. 2. Have you ( made) any spelling mistakes in your dictation? 3. What books did you ( read) when you ( lived) in the country? 4. They (have not yet come) from the south. 5. He (was) ill last week, but now he (has recovered). 6. If everybody (has read) this new novel, let's discuss it. 7. Have you ( booked) tickets? — Yes, I have. I ( booked) them several days ago. 8. I (have not seen) you since you ( left) for Moscow. 9. Have you ( read) all the books on this shelf? 10. I (have not seen) my cousin since last year. 11. Why did you ( put) these things in the wrong place? 12. Why have you ( left) the door open?
I often think about this question: what if people have such oppurtunity as living on other planets? Will it be?
It sounds unreally.
According to my own opinion, in our modern world it is possible. Such chance is related with development of new different technoligies which are useful for us, for example, in our ordinary life. I consider that science will step forward. Technological progress continues and it moves rather fast. Many scientists, astronauts, biologists and others are working on numerous theories. But, unfortunately, this is only guesswork…
But how people will live there? It's wonder how we will have to accustom to unusual environment that will be the most difficult for us.
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