Answer:
What has a big mouth, yet never speaks?
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
What word is a plural, but when you add an "S" to the end, it becomes singular?
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
What is that you will break everytime you name it?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?