Ответить на 3 и 4.
У завтрашнему вечеру,можна раньше :)

3 упражнение:

1)The letters are sent every day

2) The pizza is eaten by people every day

3)English is studied by children in schools

4) A lot of food is cooked and eaten by her

К сожалению я не знаю рецепт пирога

Надеюсь помог