Alright, here is an English usage worksheet on the adjectives reticent and hesitant and differentiating their use based on their subtle shades of meaning. These are a couple of words students should know and be able to use properly in expository prose, it seems to me.
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.