Ten go una calculadora en mi mochila
The r is dropped because the yo form is “segui” and “conseguí”
1. tiene (possessive description)
2. sepa (non-realistic description; an ideal)
3. está (possessive; the clinic (not a clinic))
4. ayude (ningún, alguien, and nadie are always subjunctive)
5. pueda (an ideal; a surgeon (may or may not exist) and not the surgeon)
Nadie because noone read the book
LA respuesta es 4
the answer is 4