Return to the work
I'm going to return to my work tomorrow. Long holiday is finally ended. I really enjoyed this holiday, I'm a little bit tired though. I have to get up early in the morning again, but one day only. It's good for getting used to my work.

Return to the work
The long holiday is has finally ended.
I'm sure you can handle one day :)
Mark
I did it. :D
I really enjoyed this holiday; I'm a little bit tired though. or: I really enjoyed this holiday, but I'm a little bit tired though.
I have to get up early in the morning again, but for one day only.
Yes!:D
Return to work
I'm going back to work tomorrow.
The long holiday is finally over.
I really enjoyed this holiday, but I'm a little bit tired.
That's a good way to get used to working.
"go back to work" sounds good. Thanks. :)