Since I needed one recently to help students with a reading assignment in global studies, I wrote this context clues worksheet on the verb exacerbate. This verb is only used transitively, so don’t forget your direct object. Generally speaking, you must exacerbate something: the clogged toilet, the mess in the kitchen, the irritation of your spouse.
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.