8. Which interrogative sentences are correct?
1. Which radio stations broadcast in
English?
2. How many radio stations do
broadcast in English?
3. Do these radio stations broadcast
in English?
4. Which radio stations do broadcast
in English?
5. Which of these radio stations
broadcast(s) in English?

You can hardly find the person who has never thought about eternal life. There are a lot of advantages and disadvantages of living forever. But what if we are able to live 200 years? This is a dream, but a lot of scientists work out to make it real. They set up different experiments and step by step  they become closer to this level. To my mind, if they prolong our life, the progress will not come up. One generation will be 
\slower than three. So, I think it's better to find out the way to accept the terms of our life and to calm down the grief. 

1. Today we learned the same English words as yesterday. 2. Tomorrow we will come to classes earlier than usual. 3. Tomorrow Peter the most important day. 4. I need much less time to read the text than to translate it. 5. Yesterday lectures did not begin as early as usual. 6. Rostov University younger MSU. 7. Our hostel is in the centre of the city is much older dorms on the West. 8. Our new teacher is the youngest at the faculty. 9. The more I read the works of the writer, the more I like them. 10. The louder you scream, the less I understand you.