продолжить предложение правильно. ​

1. Elena is saying that she goes to the country every weekend.

2. She has just told us that they have already built the recycling plant.

3. I remember that you have promised to send the invitations by 12 o'clock.

4. We thought they had to use new farming technologies.

5. Everyone knew that the conference started next Monday

6. They felt sure they could suggest an excellent solution to this problem.

7. From the latest reports we have learned that around 40000 African elephants are killed each year .

8. The manager didn't know that his boss had gone on business trip.

9. The seeds grew well because the farmers had dug the soil well .

10. Experts said that the effect of global warming would increase desert area

and raise sea levels.

French mathematician Blez Paskal has constructed the first mechanical car. He was 19 years old at that time. Its car consisted of small wheels and transfer. On 19th century more perfect cars of calculation have been invented. The first electronic computers have appeared in first half XX centuries. These electronic cars could not only calculate, but also and solve difficult problems. They could finish off the solved sequence of operations according to the program. They had also a possibility to save up the information. But these cars were very big and heavy. Their length made approximately 30 metr