Укажите верный вариант : A. By 9 o'clock yesterday I had written all my letters. Б. By 9 o'clock yesterday I have written all my letters. В. By 9 o'clock yesterday I was written all my letters. Г. By 9 o'clock yesterday I written all my letters.
Тут вообще всё не правильно) но ответ а нужно как бы так: i had written all my letters be 9 o'clock yesterday
Это нам такое задание по английскому задали