Here is a Cultural Literacy worksheet on the concept of a gilded cage, i.e. “to live in luxury but without freedom.” This is a half-page worksheet with a long, one-sentence reading and three comprehension questions. In other words, a short, punchy means of introducing students to this commonly used idiom in the English language.
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.