I'm trying to find a word to fit in this sentence:
- “The kid was waiting _______ for his present”
"eagerly" probably would be the best choice here.
'Excitedly' would be a word you could use.
Or 'on tenterhooks' - nervously anticipating something. Keen to have the outcome.
If you just can't wait for something to happen, you're being impatient:
The kid was waiting impatiently for his present.
She is waiting impatiently for her husband's return.