1. bemused
The parents were bemused by the mathematics problem of their kids.
2. pant
The puppy panted after a while of running.
3. flatly
She refused the man's invitation flatly.
summary:
On the way to practice Quidditch, Harry was caught by Colin and couldn't get rid of him. Harry was asked many questions about Quidditch by Colin and gave him the answers. Colin was eagerly to watch the Quidditch practice.