Question

which answer choice is a complete sentence? opened the store at noon. the parade was cancelled. fixing a car by himself in the garage. if the rainstorm.

Explanation:

A complete sentence has a subject and a predicate. "Opened the store at noon" lacks a subject. "Fixing a car by himself in the garage" is a participial phrase, not a full - sentence. "If the rainstorm" is an incomplete conditional clause. "The parade was cancelled" has a subject "the parade" and a predicate "was cancelled".

Answer:

The parade was cancelled.