Without the full context, it is difficult to tell but you would use -
Laisse-moi .... when you are addressing just one person ( who you say 'tu' to)
Laissez-moi... when you are addressing a person ( you say 'vous' to) or a number of persons
Hope this helps!
Sign in to submit your answer
Don't have an account yet? Join today
Test your French to the CEFR standard