Перефразируйте следующие предложения,используя конструкцию complex object.  1. I believe they are very good at physics and other pure sciences. 2. when he opened the window he heard how the birds were singing in the garden. 3...

  Перефразируйте следующие предложения,используя конструкцию complex object.  1. I believe they are very good at physics and other pure sciences. 2. when he opened the window he heard how the birds were singing in the garden. 3. I heard that his name was mentioned several times during the conversation. 4. I saw that he opened the door and the left the room.