These five worksheets on the homophones hear and here might be useful in a variety of settings, and I think English language learners might benefit from them. One thing is beyond dispute, I submit: these are two words students really must be able to use properly.
If you find typos in these documents, 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.