Answer:
My first is a creature whose breeding is unclear. My second, a price you must pay. My whole can be found in the river of Time and refers to events of today.
Hands she has but does not hold. Teeth she has but does not bite. Feet she has but they are cold. Eyes she has but without sight.
In the evening I'm long, in the morning I'm smallΝΎ When seen in a ballroom, I'm nothing at all.
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
You can only have it once you have given it.
What covers its face with its hands, speaks no language, yet most known what it's saying?