Переход из актива в пассив. Помогите

Question

Переход из актива в пассив. Помогите

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Answer 1

1 The newspapers were looked through by his father yesterday.
2 A cake is baked by mother every weekend.
3 The book will be returned by my friend to the library.

Answer 2

1. the newspapers were looked through by his father yesterday.
2. a cake is baked every weekend by mother.
3. the book will be returned to the library by my friend.