Помогите пожалуйста
(2,5) в степени -1

Наиболее общим для всех известных уровней организации жизни являет (-ют) ся…

а) сложность строения системы;
б) закономерности, действующие на каждом уровне;
в) элементы, составляющие систему;
г) качества, которыми обладает данная система.

Помогите пожалуйста с тестом)))
1. The news..broadcast every day
a) is being b) is  c) has been d) was
2. At this every moment she...interviewed

a) is being b) is  c) has been d) was
3. The water..boiled, you can drink it
 a) is being b) is  c) has been d) was
4. Their first child ... born before they  moved to St.Peterburg
 a) had been  b) is  c) has been d) was
5. The construction was ..last month
a) finishing   b) being finished   c) been finished   d) finished
6. The new President ...elected next year
a) is   b) will be   c) has been   d) is being 
7. I was waiting in the other office while the letter were...
a)typed   b) being typed  c) typing  d) been typed
8. By the time you come back your work will
a) be forgotten  b) have forgotten  c) have been forgotten  d) forgot