Passive voice

Thousands of houses ___ during the Great Fire in London.

The rule explained by the teacher at the previous lesson ___ by all of us.

It seems to me that music ___ from the next room.

At the last competition the first prize ___ by our team.

Teachers' corrections ___ always ___ in red ink.

Nowadays three foreign languages ___ at this school.

This play____ many years ago

This letter ____ the day before yesterday

 Chocolate .................... in many countries.

The football championship ............... every four years.

The house_____ in 2010 by famous architect