Answer:1. Obligation- She felt a strong obligation to help her community after the storm. - As a student, it's our obligation to complete our assignments on time. 2. Necessity - Drinking water is a necessity for survival. - In cold weather, wearing a jacket or coat becomes a necessity. 3. Ability - His ability to solve complex problems quickly impressed everyone. - She has a natural ability to learn new languages with ease. 4. Permission - You need permission from your parents to go on the school trip. - He asked for permission to leave work early due to a family emergency. 5. Responsibility - Taking care of the pet is her responsibility. - It's everyone's responsibility to keep the environment clean.