Choose the sentence in past perfect passive
а) the letter had been written by 5 o’clock yesterday.
ә) the letter will be written tomorrow.
б) the letter was written yesterday .
в) the letter will have been written by 5 o’clock tomorrow.
г) letters are written every day.
ғ) the office had been cleaned by two o’clock.
A) The letter had been written by 5 o'clock yesterday.
F) The office had been cleaned by two o'clock.