She hurt herself while she _________ hide-and-seek with her friends.
Correct Answer: EASY
Knowledge: The coordination of verb tenses
Explanation: The past simple and the past continuous combine in a sentence: To describe an action that was happening in the past when another action intervened, the action was happening only the past continuous, the action interjected. into the past simple
Structure: + S + Ved/bqt while S + was/ were + V_ing
She injured herself while playing hide and seek with her friends.