Question

Which sentence is correct and why

mary's on leave and sarah is
her fill-up
mary's on leave and sarah is
her fill
mary's on leave and sarah is
her fill out
mary's on leave and sarah is
her fill in

Answer 1

The last one is the answer, “Mary’s on leave and Sarah is her fill in” this is the only option that makes sense out of all the other answer choices.

Answer 2

Answer down below:

The correct sentence would be

“Mary’s on leave and Sarah is her fill in.”