Answer:
2. couldn't— I couldn't do his job.
3. isn't— There isn't much to tell.
4. haven't— I haven't finish the dishes.
5. don't— I don't like her new friend.
6. doesn't— He is often doesn't come to school.
7. didn't— I didn't hurt you yesterday.
8. can't— I can't forget him.
9. aren't— We aren't relatives.
10. wasn't — Cloe wasn't supposed to come with us.
