Réponse :
Bonsoir :)
a. Someone phoned me yesterday but I don't know who.
b. Listen. Is there anyone at the door?
c. I don't know anything about the murder.
d. There is always something I don't understand.
e. I shouted for help but there was no one in the street.
Explications :
Someone / Somebody = quelqu'un
No one / Nobody = personne
Anyone / Anybody = n'importe qui
Something = quelque chose
Anything = rien / n'importe quoi