My mouse click wont work while i'm in a game and i cannot break blocks i can still walk around and place them but can break please help me -awesomezeah

Put the summary of the bug you're having here
My mouse wont break items but will place and i can walk.
What I expected to happen was...: for it to start to work after about two months

Describe what you thought should happen here
it would work after two months
decsribe what happend here......*
it didn't start working
put a step by step guide here
1. ... i dont know how to get it fixed