Question

is this a complete sentence or a fragment?
the kangaroo jumped on rainbow dash’s trampoline.
complete sentence
fragment

Explanation:

A complete sentence has a subject and a predicate (a verb and a complete thought). The sentence "The Kangaroo Jumped on Rainbow Dash’s trampoline." has a subject ("The Kangaroo") and a predicate ("Jumped on Rainbow Dash’s trampoline"), expressing a complete thought.

Answer:

Complete Sentence