You can use heaps of different words like,
Growled, mumbled, cried, shouted, screamed, snapped, laughed, giggled, replied, asked, smiled, chuckled, grinned.
Those are words i use in my stories!
Instead of using the word challenging you can use the word gifted, special, special gifted.
A word used in an informal manner "The precedent said, 'What's up hommie' (to borrow the colloquialism)."
Substitute or exchange can be used instead of replace.
Meaningless,Regulation or act,Formal,Rigid observation of rules and regulations,
The United States uses the word "fall" instead of "autumn" to refer to the season.
Another word for said is stated.
Instead of using the word challenging you can use the word gifted, special, special gifted.
A word used in an informal manner "The precedent said, 'What's up hommie' (to borrow the colloquialism)."
or
Will, when, why, it, can
We use slang because it helps you to write notes in school, instead of writing the whole word. That is what my teacher said at school. Hope I answered your question well =]
I have a stomach ache.
Myself
mixture
are
She said you were a good friend.
used to be