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Complete the student's dramatic text message explaining why he missed the morning lecture. Select the correct option for each gap.
"I'm so sorry I'm late! I _________________________ rescue a very angry raccoon from my garbage can this morning. Because of that little adventure, I missed the bus and _________________________ walk three miles in the pouring rain!"
The correct answers are had to and had to.
The modal verb "must" does not have a past tense form. To talk about an obligation or necessity in the past, we always use had to.