Are the sentences written in Active or Passive voice?

"He lost his keys yesterday."

Are the sentences written in Active or Passive voice?

"These cars are produced in Italy."

Are the sentences written in Active or Passive voice?

"Bingo is played in Britain."

Are the sentences written in Active or Passive voice?

"A letter was written."

Are the sentences written in Active or Passive voice?

"They often listen to music."

Are the sentences written in Active or Passive voice?

"She is reading the newspaper now. "

Are the sentences written in Active or Passive voice?

"These cars are produced in Japan."

Are the sentences written in Active or Passive voice?

"Alan teaches geography."

Are the sentences written in Active or Passive voice?

"German is spoken in Austria. "

Are the sentences written in Active or Passive voice?

"Lots of houses were destroyed by the earthquake in 1906."

Are the sentences written in Active or Passive voice?

"Henry Ford invented the assembly line."

Are the sentences written in Active or Passive voice?

"The bus driver was hurt yesterday. "

Are the sentences written in Active or Passive voice?

"You should open your workbooks."

Are the sentences written in Active or Passive voice?

"Houses have been built."