Answer:
I would say express a complete thought
Explanation:
A security guard. He has to be alert and watchful during all his shift at work
You could start with:
"It's a-me, Mario"
and switch out Mario for your name
Lets say your name is Juan (for example)
Then, your hook/grabber would be:
"It's a-me, Juan"
Hope it helps
If you need more help, just holler! :)