ma lettre
I took it for granted that she had received my letter.
Je suis parti du principe qu’elle avait reçu ma lettre.
She may have been surprised when she received my letter.
Elle a peut-être été surprise en recevant ma lettre.
He still hasn't responded to my letter.
Il n’a toujours pas répondu à ma lettre.
She didn't reply to my letter.
Elle n’a pas répondu à ma lettre.
This is my letter of resignation.
Voici ma lettre de démission.
"Don't tell anyone about my letter."
Ne parle de ma lettre à personne.
— Prisoner of the Mountains (1996)
The president was nice enough to respond to my letter.
Le président a eu la gentillesse de répondre à ma lettre.