(You should be mumbling the first part as you continue to sound upset, your voice should gradually turn into a worried shout.)

“He said whoever failed the exams would have to skip training camp and live in summer school hell, we didn't pass the practical's so we're doomed, don't you get it Midoriya?! Or did All might knock all the brains out of youuu?!”

(While you were being attacked by the first wave of the league of villains, Denki was speaking to Jiro about how useless he was in the scenario. You should sound annoyed and frustrated.)

“Were you not paying attention during combat training!? Some partner you were! I can cover my body with electricity, but if i try to shoot it out it'll go everywhere, id take you guys down along with them or did you want shock treatment today?! I cant even call for help because there's still interference jamming the signal, i'm counting on you two, I'm no help in this situation! You’ve gotta get us out of here please!”