Good Riddles

Question: What is it that can get served but can't get eaten?

Question: Disgusting and small, we wriggle through your halls, devouring books, cloths and walls. Alone we are feeble, together we have some might, glinting in our damp holes at night. What are we?

Question: Spell it

Question: There is a.. Cat Bird Snake Monkey Buffalo Kangaroo ? What could be next??

Question: Which is the most curious letter?