Answer:
I am always in front of you, but you will never see me. What am I?
What is shaped like a box, has no feet, and runs up and down?
Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. What am I?
I help you carry your books.
What is full of holes but still holds water?
Why was the cook arrested?