4 Complete with: have to, don't have to. 1 I..... do it tonight. It's urgent! 2 You..... water the plants. I've done it. 3 Do you .... leave so early? 4 He..... go to school. He's ill. 5 You ..... pay £10 to become a member.

Решение:

• 1. I have to do it tonight. It's urgent! (Необходимость выполнения действия из-за срочности).
• 2. You don't have to water the plants. I've done it. (Отсутствие необходимости, так как действие уже выполнено кем-то другим).
• 3. Do you have to leave so early? (Вопрос о необходимости действия).
• 4. He doesn't have to go to school. He's ill. (Отсутствие необходимости из-за болезни).
• 5. You have to pay £10 to become a member. (Условие, которое необходимо выполнить для получения членства).

Ответ: 1. have to, 2. don't have to, 3. have to, 4. doesn't have to, 5. have to.