Final answer:
The correct verb phrase that completes the sentence is 'estaremos llegando'. It means 'we will be arriving'.
Step-by-step explanation:
The correct verb phrase that completes the sentence is estaremos llegando.
The verb phrase estaremos llegando means 'we will be arriving'. It is formed by using the verb estar ('to be') conjugated in the future tense for the subject 'nosotros' ('we') and followed by the present participle llegando ('arriving').
Example: Pasado mañana a esta misma hora nosotros estaremos llegando a casa. (The day after tomorrow at this same time, we will be arriving home.)
Learn more about Spanish verbs