Passive - Active voice

The roof needs ……………………. (fix) soon.

Smoking should ……………………. (ban) in public places.

It ……………………………. (expect) that the president will resign due to the recent revelations.

For a long time, people ……………………………. (think) the giant panda was a type of raccoon.

People need ………………………………………….. (encourage) to use public transport if we want to reduce the carbon emissions.

Stamps can ……………………. (buy) at any post office.

Several students …………………….. (know) to have cheated in their exams

This report ……………………………. (claim) that there is corruption throughout the company.

This book must …………………… (return) to the library soon.

The letters are going to …………………. (deliver).

In medieval times, the Earth ……………………………. (believe) to be flat.

A new supermarket is going to ………………………. (build) next month.