Answer:
I think it'd be "está"
Explanation:
The verb is used in most sentences of something present thats only temporary. For example "Él <em>está </em>haciendo sus trabajos", the person is presently doing their work but of course the work wont last forever.
1) mochilla
2) cuaderno
3) computadora
4) reloj
5) lapiz
Ella se hace una promesa, declara que nunca se enamorará