- At the party, cheerfully, danced, the children.
- The children danced cheerfully at the party.
- At the party danced cheerfully the children.
- Cheerfully danced the children at the party.
The correct sentence structure in English is Place-Subject-Adverb-Verb. The place (at the party) should come first, followed by the subject (the children), the adverb (cheerfully), and finally, the verb (danced). The correct option (b) follows this structure.