60 ! яз 8 кл changle the sentence by putting it in the passive voice. 1)he has written a letter 2)she has watered the flowers. 3)have you done your task? 4)they have built a new house

1) A letter has been written by him.
2) The flowers have been watered by her.
3) Has your task been done by you?
4) A new house has been built by them