Answer:
I have a small hill with seven holes.
I am a candy that looks like a shepherdβs staff.
What starts with the letter βtβ, is filled with βtβ and ends in βtβ?
I am the beginning of eternity the end of time and space the beginning of every end the end of every place.
I help you carry your books.
No matter how little or how much you use me, you change me every month.