the last month
le musée means the museum in French.
Three
'le salon' or 'le séjour' are the French terms for a living room.
the job or the trade
the last month
In French, you would say "Quel est le mois ?" to ask "What is the month?"
le mois
le mois dernier
Le mois dernier
Le mois de l'hiver
"Fernier" is not a word. Do you mean "dernier"? The word "dernier" means "last". For example "le mois dernier" = "last month"
a month
"Trois mois" means "three months" in English.
"Douze mois" means "twelve months" in French.
The phrase "whole month" in French is "tout le mois."
Le dernier mois means 'the last month (of a series)' in French. Décembre est le dernier mois de l'année > December is the year's last month. Au départ tout allait bien, mais le dernier mois a été difficile > at the beginning all was fine, but the last month was more difficult. BUT if you want to speak of something that took place last month, the resembling expression 'le mois dernier' is better: she had a baby last month > elle a eu un bébé le mois dernier. She visited her grandparents last month > elle a rendu visite à ses grand-parents le mois dernier.