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.