Answer:
1) a. chagrin
He beat me in the race, much to my chagrin.
2) gastric
The chef prepared us such gastric delights!
Explanation:
According to the dictionary:
Chagrin - distress or embarrassment at having failed or been humiliated.
Gastric - of the stomach.
The other words, by definition, do not fit in with the sentences provided.
I hope this helped! :)
