badly or worse?

[nado92]

2- She did bad in the tests than she expected but better in the final exam".

find the mistake.

I think bad will be worse.
Am I right?
Thanks in advance

 

[Nightmare85]

**Neither a teacher nor a native speaker.**

Yes, I agree with you.

... worse ... than ...

P.S. Comparative of badly = more badly, but I don't think you need it here.

Cheers!