well......this is completly my opion (which isnt very much) but i thinkn you are likly to get less bollocked if you go and see him before your next class.....because it will show you are interested in the class....and he wont be able to use the excuse "you should of come and see me before today so you can catch up" or somthing like that.....and if he's a shouter....he is most probly less likly to shout at you if you go and see him privatly.....