Complete the sentences using passive structures with the infinitive (завершите предложения, используя пассивные структуры с инфинитивом)1) newspapers are expected 2) this african country is said 3) the disease is understood 4)the city centre was discovered 5) the problem was agreed 6)tsunamis are believed 7) the water in the lake is considered 8) the ural mountains are known

Newspapers are expected to inform people.

This African country is said to have a gorgeous desert.

The disease is understood to be incurable.

The city centre was discovered to have a lot of old fashioned mansions.

The problem was agreed to solve quickly.

Tsunamis are believed to hit the continent this month.  

The water in the lake is considered to be poisonous.

The Ural Mountains are known to be one of the most ancient mountains in the world.