. 1. Do machines make labour more productive?
2. Can machines do work in a shorter time?
3. What machines are mounted on a tractor?
4. What self-propelled machines do you know?
5. Are milking machines pow¬ered with electricity?
6. What do modern machines differ in?
10. In most schools children start to learn English from the first grade. 11. Join the people who want to learn English and you will gain a great advantage over others. 12. If you want to speak English fluently, you can join different English courses.