Answer:
My first is high my second damp my whole a tie a writer's cramp.
I am very afraid of doing scary activities.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
The dirtier I get, the whiter I am. What am I?
Send poorly behaved children to me and let them sit here. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.