Use "understudies" in a sentence

1. Couldn't go on with the performance even with the understudies because of the police coming in.

2. Going to the customary class and talk isn't the mutually advantageous methodology for Attainting the credit of splendid understudies

3. Brinkhurst (Lebanon, TN) - papers he authored or co-authored during his exemplary career (30+ years) as a global Annelid systematist and untiring mentor to countless understudies of oligochaete …