Are these sentences right?
The word throw
Throw your cigarette
Throw a stone at the window
Don’t throw your clothes on the bed.
I threw a stone into the well.
Let’s throw our old clothes away and buy new ones.
The boy was punished for throwing a stone at the car.

Question

Are these sentences right?
The word throw
Throw your cigarette 
Throw a stone at the window
Don’t throw your clothes on the bed.
I threw a stone into the well.
Let’s throw our old clothes away and buy new ones.
The boy was punished for throwing a stone at the car.

Answer

Those are all OK, but it's not clear what you mean by 'throw your cigarette'. I presume you're not telling someone to throw their cigarette in the same way as you'd throw a ball in a game. Do you mean 'throw your cigarette away?'