It was one of the Words of the Day I marked down when I was out for a short vacation last week, and it’s a good word used regularly in conversational English, so here is context clues worksheet on the noun heyday if you can use it.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.