Final answer:
The correct phrase to complete the sentence is 'nos gusta'. It means 'we like' in Spanish and agrees with the subject 'mi familia y yo'.
Step-by-step explanation:
The correct phrase to complete the sentence is nos gusta.
The phrase nos gusta means 'we like' in Spanish, and it agrees with the subject 'mi familia y yo' (my family and I) in both person and number.
For example, the complete sentence would be: 'Mi familia y yo vamos a Hawái mañana porque nos gusta la playa' (My family and I are going to Hawaii tomorrow because we like the beach).
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