Exercise 7. Underline the best answers. 1. If/Unless you don't study hard, you won't pass the final exam. 2. Unless she returns/doesn't return my comic books to me, I will never lend her again. 3. They will lose their jobs if they don't work / work hard. 4. Unless/If you eat enough vegetables and fruit, you will have health problems. 5. If Lucia doesn't change her studying habit, she will/won't be able to improve her performance at school. 6. We can't find the way out unless we look / don't look at the map. 7. Anna won't finish her work unless/ if they help her. 8. I won't go out tonight if my parents don't allow/allow me to. 9. Unless you practice speaking English, you can't/will communicate with foreigners. 10. If Jack isn't/is sick, he will go skiing with us.