person A: I written down my notes on a double sided A4 paper_comma_ now I just have to wait for the exam which will begin in the next 5 minutes.
person B: Okay that's good to know. Hopefully you pass the test and I hope you studied. 
person A: Oh I did_comma_ I have been doing it for weeks!
person B: Very nice man. Let me know your exam results when they're released! 