Помогите пожалуйста с тестом.
1. Many rivers and lakes are :
a) poisoned ; b) filled ; c) used ; d) cleaning.
2. Ecological problems can be :
a) done; b) solved; c)thought by business.
3. Complete the sentences in the Passive Voice
1) Somebody cleans the room every day
The room...
2) Someone is interviewing the president
The president ....