I need to be back early (8/31/2016) because I just suddenly decided to study a masters, which will be open 8/19/2016., which I would ask for work the last day is 8/9/2016.
I need to get back before the deadline (31/08/2016), because I just suddenly decided to study a master's degree, which is scheduled to close by 19/08/2016, which I would like to work on. Finally, 08/09/2016
I need to be leaving early (8 / 31 / 2016) because I"ve decided to study for a master degree, which suddenly the open class. 8 / 19 / 2016 near, which I"ll last working day is 8 / 9 / 2016.