Answer:
The more you work the more I'll eat.You keep me full I'll keep you neat.
The most famous dinner
Better touch me before you proceed to second. What am I?
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?