Answer:
Complete subject: The puppies / Complete predicate: jumped and played in the pen
Explanation:
Definition of complete subject:
A complete subject is more than just one noun. It contains the simple subject - the noun that the whole sentence is about - but it also includes all of the words that modify that noun. Most often, the complete subject is the entire first part of a sentence.
The thing being discussed it the puppies, and the word that modifies them as the subject is the word "the," making it a complete subject.
Definition of complete predicate:
A complete predicate consists of a verb and all the words attached to the verb, such as an object, an adverb, or a prepositional phrase. The simple predicate is the main verb in the predicate of a sentence.
The verb(s) are "jumped" and "played" which is the SIMPLE predicate and the noun is the "pen." This noun attaches to the main verb, making it a complete predicate.