4. Определите тип придаточного предложения. a) 1. That it is possible to convert heat to energy and energy back to heat can be demonstrated in a number of ways. 2. When we shall start a new series of experiments is not yet settled. 3. Whether the spaceship will be able to leave the earth depends upon the speed of the ship.

Б) 1. One of the main characteristics of plastics is that their molecules are composed of a large number of re peating molecules known as monomers. 2. The most important feature of this plant is that all its shops are equipped with automatic and semi-automatic machine tools. 3. The difficulty is whether all the processes of the production at the plant can be mechanized.

1) Anna, start typing2) What time of year do you like the most?3) Stand aside.4) Kate and I love tennis. Kate plays well. Kate plays a lot.5) Steve plays well in tennis.Stiv loves to win. Steve says: "I have to win again."6) It is time to wake up and stand up.7) Ben does not like to stay up late. He never played football.8) Wait for a while.9) In this room, too many people.10) Sorry you're leaving so soon.11) You're brother Steve, is not it?12) Do you prefer tea or coffee for breakfast?13) Try to sleep.

1. a shorter story, the shortest story  2. a larger garden, the largest  garden  3. more beautiful flower, the most beautiful flower  4. a bigger table, the biggest table 5. a higher building, the highest building  6. more difficult exercise, the most difficult  exercise 7. a newer dress, the newest  dress 8. an older book, the oldest book  9. later news, the latest news 10. a more comfortable flat, the most comfortable flat  11. an easier question, the easiest question 12. cleaner water, the cleanest  water 13. thinner ice, the thinnest ice 14. a thicker dictionary, the thickest dictionary 15. a better friend, the best friend  16. more snow, most snow 17. worse weather, the worst weather  18. less time, least time 19. more cars, most cars. 20. fewer mistakes,  fewest mistakes.