Final answer:
The verb that correctly completes the sentence is 'sleeped' in the past tense form of the verb 'sleep'.
Step-by-step explanation:
The verb that correctly completes the sentence is sleeped.
In this case, the sentence is in the past tense, so we need to use the past tense form of the verb. The correct past tense form of the verb 'sleep' is 'slept', not 'sleeped'.
For example: 'The bear slept all winter long.'
Learn more about Completing sentences with verbs