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Select the grammatically correct question for this grumpy teenager.
"___ wear this extremely itchy sweater to Aunt Martha's party?"
The correct answer is Do I have to.
When asking a question about an obligation with "have to", we use the auxiliary verb "do" or "does" (e.g., "Do I have to?"). "Must" can be used in questions without "do" (e.g., "Must I wear...?"), but we never say "Do I must" or "Must I to".
EasyA2 | Elementary | Pre-intermediateModal verbInterrogative sentence or clauseQuestionsEnglish Grammar Basics
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