Answer:
I always go to bed with my shoes on. What am I?
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
I save lives on the ground and in the air. What am I?
What is so delicate that saying its name breaks it?
I'm an animal. I love marching. I always wear a tuxedo. What am I?
What language does a billboard speak?