Their performance varies considerable, they are often idle, and then might have an occasional flurry of activity. For example, if their attendance is sporadic, they may have good attendance for a while, and then disappear unpredictably from time to time.
Those were the happiest years that Simone had known.
<h2>Hope this answer :)</h2>
R: Restate the question
A: Answer the question
C: Cite evidence
E: Explain