Answer:
The pair of verb that completes the sentence are:
- estaba.
- fue.
Step-by-step explanation:
The complete phrase handles the past tense, and since we are talking about the pronoun "Él", the verb "estar" has to be conjugated as "estaba", and the verb "ir" is also conjugated in the same past tense because it is talking about the same person, and it would be "was".