Answer:
1. She walks smartly.
2. Bill sleeps quietly on the couch.
3. John dances so well.
4. He laughed.
5. Dan is jumping.
Step-by-step explanation:
Intransitive sentences are sentences that have verbs which doesn't require a direct object. In the sentence above, jumping, dances, laughed, sleeps and walked are all Intransitive verbs. Also, the subjects in the sentences are : She, Bill, Dan, He and John.