1. The teacher's ____ made her an ideal judge at the tryouts.

disinterest,dissent,disavowal,disagreement

2. My ___ with the class was due to the poor grade I received.

disrespect, disavowal, discontent, disbelief

3. I sense your ___ with the project, but things will improve in the next few weeks.

disenchantment, disavowal, disrespect, disbelief

1.dissent
2.disavowal
3.disbelief

3 answers

None of those is right.

Be sure to check a dictionary for definitions of these words. Also note how they are used in sentences.
disinterest
discontent
disavowal
1 and 2 are right. 3. is wrong.