Turn the following sentences into the Passive Voice.
-The maid cleans houses every day
-We make glass from sand.
-They built the bridge a few years ago.
-My mother will iron my clothes tomorrow.
-I have painted my bedroom’s walls.
-Some people are cleaning the school at the moment.
-We should recycle plastic.
-Students don’t speak Italian at school.
-Leonardo da Vinci painted Mona Lisa in Venice.
-If we were stupid, we would smoke 10 cigarettes a day.