Переделать в страдательный залог 1)children are writing test. 2)Postmen deliver letters everyday. 3)A lot of children play volleyball. 4)We wsited our friends yesterday. 5)Children have received gift. 6)My grandma has cooked a cake. 7)Lom Brown will buy a new car.

1) A test is being written by the children.
2) Letters are delivered by postmen every day.
3) Volleyball is played by a lot of children.
4) Our friends were visited by us yesterday.
5) The gift has been received by the children.
6) A cake has been cooked by my grandma.
7) A new car will be bought by Tom Brown.