Answer:
What has a neck but no head?
I am a little piece of paper, yet sometimes hold lots of value. I am all you need to get into big events, but will cost you. I am an important part of travel. And if lost, you're not coming. What am I?
I lose my head in the morning and regain it back at night. What am I?
I tremble at each breath of air and yet can heaviest burdens bear.
I am a kind of coat that can only be put on when wet. What am I?
What language does a billboard speak?