Answer:
I am pronounced as one letter written with three. I come in blue black brown or grey. Reverse me and I read the same either way.
Lovely and round, I shine with pale light. Grown in the darkness, a lady's delight. What am I?
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
I am a nut with a hole. What am I?
I'm found on Windows yet I am just a decoration. What am I?
Why did the teacher have to wear sunglasses?