Final answer:
In the subjunctive form for el/ella/ud, the Spanish verb 'llegar' is correctly conjugated as 'llegue'.
Step-by-step explanation:
In the Spanish language, when we conjugate verbs in the subjunctive mood for el/ella/ud, we modify the verb in a particular way. For the verb 'llegar', the correct conjugation in this form is 'llegue'. So if you are using this form within a sentence, you would say for example 'Espero que él llegue temprano al aeropuerto' which translates to 'I hope he arrives early at the airport' in English.
Learn more about Spanish Verb Conjugation