Дам 100 баллов и лучший ответ

1) They built our house in the 19th century. Our house was built in the 19th century. 2) Someone’s decorating my flat at the moment. My flat is being decorated at the moment. 3) Has someone fixed the coffee machine yet? Has the coffee machine been fixed yet? 6) They won’t recognize her in those darkness. She won't be recognized by them in that darkness.

4-5 не знаю прости