3 Fill in the gaps with have to, don't have to. 1 You ........................... go to the desert to see camels. You can see them at the zoo. 2 You ........................... work hard if you want to become a doctor. It is not easy. 3 You ........................... come with me. I'm the only one who knows how to get there. 4 We ........................... do something to protect the environment. 5 You ........................... give me a lift. I will walk. 6 You ........................... do the washing up. Patty has done it already.

3. Fill in the gaps with have to, don't have to:

1. You don't have to go to the desert to see camels. You can see them at the zoo. (Нет необходимости идти в пустыню, так как есть другая возможность).
2. You have to work hard if you want to become a doctor. It is not easy. (Обязанность, необходимость для достижения цели).
3. You don't have to come with me. I'm the only one who knows how to get there. (Нет необходимости идти, потому что я знаю дорогу).
4. We have to do something to protect the environment. (Обязанность, необходимость для защиты окружающей среды).
5. You don't have to give me a lift. I will walk. (Нет необходимости давать подвезти, я пойду пешком).
6. You don't have to do the washing up. Patty has done it already. (Нет необходимости делать, так как уже сделано).