gosh - Gosh, the cup is broken because I dropped it. (correct)
quarter - The class starts at quarter to five.
already - I'm already ready to go outside.
doubt - I doubt that my friend lied to me.
might - That donut might be free. (correct)
able - Stunt men should be able to do hard action.
 

Thank you for sending your composition. Please see my corrections above. I hope it helps ^^