OSCUS TEACHER: HOMEWORK- frases pasado perfecto - pasado.
Expresiones y frases - Palabra clave 'Up' Idioms - Key word 'Up'. The kids are up to their ears with school; homework, tests, etc. Dan's out of jail but he's up to his old tricks again. Paul's latest novel wasn't up to par. Lilly's been acting very strange, I think she's up to something.