Sagot :
Réponse:
a: A letter is written by you
b: The boss is being talked to by him
c: The computer is fixed by them
d: Plants are grown by me
a: the letter is being written by you
b: the boss speaks to him
c: the computer is being prepared by them
d: plants are grown by me
je crois que c'est sa mais je ne suis pas sûre a 100%