Final answer:
Choose the correct form of the verb 'costar' in the sentence. Understanding irregular Spanish verbs is crucial for sentence formation.
Explanation:
Costar is the best choice that completes the sentence. In Spanish, 'costar' means 'to cost,' and in this context, it is indicating the price of the shirt at seventy pesos.
When using verbs in Spanish, it's crucial to select the appropriate form such as present, past, or future tense based on the context of the sentence.
Understanding irregular verbs like 'costar' and their correct conjugations is essential for forming grammatically accurate sentences in Spanish.
Learn more about Spanish verbs here:
https://brainly.com/question/22052720
