1 .When Mark arrived, the Johnsons were having dinner. 2. While Tom was reading a book, Martha was watching TV. 3. Although the sun was shining, it was still cold, because it had been raining hard for two hours. 4. The first modern Olympics were in Athens more than a hundred years ago. 5. I was sleeping when my friend called. 6. Has he spoken about the opera before? 7. I didn’t wake him up, I knew he was very tired, because he had been working for 10 hours. 8. She was nervous because she had never flown before. 9. Did you see him yesterday? 10. What were you doing at 5 o’clock yesterday?
1) Will her relatives live in Canada? Her relatives won't live in Canada. 2) Will she know French? She won't know Franch. 3) Shall I spend my weekend in the country? I shan't spend my weekend in the country. 4) Shall we have a class in English Today? We shan't have a class in English Today. 5) Will you spend your free time at home? You won't spend your free time at home. 6) Will he be a student of the University? He won't be a student of the University. 7) Will there be a lot of work to do about the house? There won't be a lot of work to do about the house. 8) Will the traffic be very heavy today? The traffic won't be very heavy today. 9) Will I have an interesting job? I won't have an interesting job. 10) Will there be many people on Sunday? There won't be many people on Sunday.
производительность труда одной бригады:
600:4:3=50 м в день
за 2 дня
50х2=100 м
Объяснение: