Complete the sentenees using the passive voice 1) ) by many millions of people. 2)the window (open) by my dad 2 hours ago. 3)our rooms (elean) every morning. 4)our new english textbook(publish) next year. 5) the letters (send) a week ago.

1) Russian is spoken by many millions of people.
2)The window was opened by my dad 2 hours ago.
3)Our rooms are cleaned every morning.
4)Our new English textbook will be published next year.
5) The letters were sent a week ago.