Adobe flash cc Audio problem?

I'm trying to animate this thing which is quite long so I've put the audio in but for some reason I can only hear it if I start it from the beginning. It was OK but since it's about 5 minuets long now it's just irritating needing to go back to the beginning just to see if the audio is synced and if it not I need to fix it then go alll the way back and see if it's OK then. Is there a way to get the audio to play from anywhere on the track? Or do I need to deal with it.