Answer:
I'm written with two letters, said with one and seen with two. What am I?
I am your most powerful weapon; I come before your eyes. I help you seek the truth, yet I often give you lies. What am I?
He has married many women, but has never been married. Who is he?
What is black when you buy it, red when you use it, and gray when you throw it away?
I am the place where yesterday is always before today. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?