I can't teach online classes. I have (moral/technical/electrical/mechanical) problems, sorry.
technical
Pepe: Sorry teacher. My computer (died/crashed/hung up/exploded). I can't do online classes. Teacher: Don't worry. I'll set double homework for you. Pepe: Don't worry teacher, I've just bought a new computer.
crashed
which expression is different: crash / get a virus / stop working / go wrong
get a virus
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