1.
1) C, 2) A, 3) B, 4) B, 5) A, 6) C
2.
1) My friends are always invited to my birthday party by me.
2) The menu was brought a minute ago by the waiter.
3) The last football match was discussed by the boys.
3.
1) This room is cleaned every day.
2) How often newspaper is brought?
3) The letters were delivered on the address an hour ago.