i STILL haven't BEEN ABLE TO GET OVER MY jet lag. / I STILL SUFFER FROM MY JET LAG. DUE TO THE JETLAG, when I TRIED TO MAKE OUR class APPOINTMENT, actually i hestiated wheater to go or not. But I THOUGHT IT WAS RIGHT to go to the class. (After I get back to Korea from business trip, I AM COMMITTED TO sutdy English hard and then if I have ANOTHER chance to go ON MY business trip, I'm going to speak English more confiednetly AND FLUENTLY. So, I want to ask my teacher FOR AN advice how to study English TO IMPROVE MY LEVEL.'