Put the verbs in brackets into the present simple or present continuous. 1. We are not sending out any orders this week because we are waiting for the new information.
2. If you add zero to any number, the quantity does not change.
3. We all know that circle of radius 1 has area π and circumference 2π.
4. Printers vary in cost, speed, print quality and other factors such as noise and compatibility.
5. Input devices allow you to enter information into the computer.
6. The number π plays central role in the study of trigonometry.
7. Professor Kshesinsky does not go to the lectures on Sunday.
8. The microprocessor coordinates the activities which take place in the computer system.
9. Look at the screen: it is getting darker.
10. You always are making a lot of noise.

The full name of the country the United Kingdom of Great Britain and Northern Ireland. The United Kingdom is situated on the British Isles. The British Isles consist of two large islands, Great Britain and Ireland, and a great number of small islands. Their total area is over 314 000 sq. km. The British Isles are separated from the Euro pean continent by the North Sea and the English Channel. The western coast of Great Britain is washed by the Atlantic Ocean and the Irish Sea. Northern Ireland occupies one third of the island of Ireland. It borders on the Irish Republic in the south. The island of Great Britain consists of three main parts: England (the southern and middle part of the island), Wales (a mountainous peninsula in the West) and Scotland (the northern part of the island). Полное название страны - Соединенное Королевство Великобритании и Северной Ирландии. Соединенное Королевство находится на Британских островах. Британские острова состоят из двух больших (Вели­кобритания, Ирландия) и большого количества маленьких островов. Их общая площадь - более 314 тысяч кв. км. Британские острова отделены от Европейского континента Северным морем и Ла-Маншем. Западное побережье Великобритании омывается Атлантическим океаном и Ирландским морем. Северная Ирландия занимает одну треть территории острова Ирландия. На юге она граничит с Ирландской Республикой. Остров Великобритания состоит из трех основных частей: Англия (южная и средняя часть острова), Уэльс (гористый полуостров на западе) и Шотландия (северная часть острова).

1. She said she was starting a new job the following week.

2. He told them he had got his exam results the previous week.

3. Sally said she couldn’t  afford to buy that dress.

4. He said to her he would have bought a car if he had had enough money.

5. Frank said that was the house where he had been born.

6. Jill said that had been a wonderful party.

7. The teacher says that oranges grow in hot countries.

8. He said that a lot of people visited museums.

9.The tour guide told us that was a very famous statue.

10. Bob said he didn't like that jacket.

11. The boy said he was lost.

12. She said she might be a little late that evening.

13. Mum told Claire that she had better clean up that mess.

14. She said she had already done the shopping.

15.  Sue said she had found that note under the sofa.

16. He told us he wouldn't be late again.

17. She said that if she finished work early, she would call me.

18. He told the reporters he had been training hard recently.

19. Zoe suggested that she should make some tea. или

     Zoe suggested making some tea.

20. The man told his children that they had to go home then.