сделайте очень надо Passive Voice​

I may clean the house.

MIGHT

The house may be cleaned.

MIGHT BE+V3

i might clean the house.

HAVE TO

The house might be cleaned.

HAVE TO BE +V3

I have to clean the house.

The house has to be cleaned.

People (/are told) not to spend much time in di-

Water in many rivers nowadays (is polluted).

Rivers and oceans (are used) as dumps, which

Fish and reptiles can't live in many rivers and lakes

ich shows that they (will be poisoned).

Factories and plants often (pour) their

Poisoned fish (may be eaten) by people

To make the air clean we (need) good fil-

Nuclear-poisoned fish (might be eaten), which

Nuclear pollution (can't be seen).

What (caused) this awful destruction?