Поставьте разделительный вопрос к предложениям: 1. Pain helps avoid damage to our body. 2. Babies learn lessons that the pain teaches. 3. Chronic pain cannot usually be treated. 4. The "phantom limb" pain is an example of neuropathic pain.
1. Doesn't it?2. Don't they?3.Can it?4. Isn't it?