Respuesta :
The answer is:
Their mother drives them to the park every day during the summer.
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Answer:
The correct sentence is: Their mother drives them to the park every day during the summer.
Explanation:
The word their is a possessive pronoun, used to refer to possession when there is a third person plural "owner". In this case, we can infer that the original subject would be "the children", "the kids", or something of a sort. The pronoun their is modifying the noun mother.