which of these words belong in the sentence?

1)she missed the discussions shed had with her friends and professors at the university.
2) building the bridge was a
3) dr. martin luther king jr. one said " anywhere is a threat to justice everywhere."
4) they are
5) he'd always been interested in chemistry but finally found his in chemical engendering.

matriculate, erect, blueprint, scintillating, crucial, stigma, contralto, interrogation, endeavor, profoundly, bard, intolerable, niche, impressionable, annals, desolate, dignity, affliction, injustice