Final answer:
The correct completion for the sentence is 'jugaba' as it expresses the action of playing tennis in the past.
Explanation:
The correct option to complete the sentence is: jugaba.
When interpreting the sentence, 'jugaba' indicates the action of playing tennis in the past when the speaker was young.
In this context, 'jugaba' is the most fitting option considering the past tense of the verb.
Learn more about Spanish verbs here:
https://brainly.com/question/22052720
