Answer:
1- heureux
2- fier
3- jeune
4- raide
5- sérieux
Step-by-step explanation:
My mom is very happy (≠ long). She is a math teacher and the students loves her. She is very proud (≠green) of her class. Students are young(≠blue), they are not stiff (≠naive). The boys work a lot, and the girls are very serious( ≠brown)
I hope this helps!