Answer:
I begin your sentences. What am I?
I have hands but cannot clap. What am I?
I am black and white and full of fuzz
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.