Answer:
My teeth help me suck.
I begin and have no end. Eventually I will be the end of all that has begun.
I am the only thing that place today before yesterday. (one word)
We applaud if you perform well.
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?