Final answer:
The correct form of the verb 'gustar' for the given sentence is 'nos gusta'.
Step-by-step explanation:
The correct form of the verb 'gustar' should be used in the given sentence. 'Gustar' is a reflexive verb that is used to express likes and dislikes. In the sentence, the verb should agree with the subject 'nosotros' which is a plural pronoun. Therefore, the correct form of the verb would be 'nos gusta'.
The correct sentence would be:
A nosotros nos gusta el fútbol.
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