One way to complete this sentence is "Because of perturbation during the school assembly, the assembly was canceled".
How to complete any sentence?
To complete a sentence, you need to add a word, phrase, or even a complete clause that makes the sentence express a complete, coherent idea.
How to complete this sentence?
In the sentence presented, the consequence of the "perturbation" is missing, due to this, the consequence should be added, a possible consequence is:
"The assembly was cancelled"
Learn more about sentences in: https://brainly.com/question/696177
