Подчеркните глагол to be в соответствующей форме. перепишите и переведите предложения: 1. the main political parties of the country are the republican and democratic parties. 2. the main duty of the congress is to make laws. 3. we were not students of law institute a year agо.

1)Are. 2) is
а 3 не знаю

3 . were not

16. I saw Jim this morning. He was running for the bus.
17. Keri was angry. She had been waiting for Sarah for two hours.
18. Andy was relieved to hear that he had passed the exam.
19 I was walking home when I saw Paul.
20Brian learnt how to spell his name at school today.
21 They hadn’t visited their grandparents for a long time.
23 I was watching television when the telephone rang. 8. Jason had been thinking about his new car all day.
24 I bought the dress because I wanted something special to wear to the party.
25. The little boy was crying because he had lost his mother.
26. Graham had been working for the company for twenty years before he retired.
27. Pam opened the present and read the card.
28 Lucy wrote a letter to her sister last night.
29. It had been raining all day and the roads were very wet.
30. Sue was smiling as she was reading Mary’s letter.

1. Codes of practice and codes of ethics have been established by many engineering societies to guide members and inform...

2. Infrastructure couldn't be developed by many African nations without outside help.

3. The development of nuclear weapons, the design and use of sport utility vehicles and the extraction of oil are included in examples from different engineering disciplines.

4. Serious corporate and social responsibility policies have been enacted bz some western engineering companies.

Объяснение: