31.4 Complete the sentences with mustn't or don't/doesn't have to. 1 I don't want anyone to know about our plan. You ___ tell anyone. 2 Richard ___ wear a suit to work, but he usually does. 3 I can sleep late tomorrow morning because I ___ go to work. 4 Whatever you do, you ___ touch that switch. It's very dangerous. 5 There's a lift in the building, so we ___ climb the stairs. 6 You ___ forget what I told you. It's very important. 7 Silvia ___ get up early, but she usually does. 8 Don't make so much noise. We ___ wake the children. 9 I ___ eat too much. I'm supposed to be on a diet. 10 You ___ be a good player to enjoy a game of tennis.

Пошаговое решение:

• 1. I don't want anyone to know about our plan. You mustn't tell anyone. - Запрет на разглашение информации.
• 2. Richard doesn't have to wear a suit to work, but he usually does. - Отсутствие необходимости, хотя он делает это по своему усмотрению.
• 3. I can sleep late tomorrow morning because I don't have to go to work. - Отсутствие необходимости идти на работу.
• 4. Whatever you do, you mustn't touch that switch. It's very dangerous. - Запрет из-за опасности.
• 5. There's a lift in the building, so we don't have to climb the stairs. - Отсутствие необходимости подниматься по лестнице, так как есть лифт.
• 6. You mustn't forget what I told you. It's very important. - Запрет на забывание, так как это важно.
• 7. Silvia doesn't have to get up early, but she usually does. - Отсутствие необходимости, хотя она делает это по привычке.
• 8. Don't make so much noise. We mustn't wake the children. - Запрет, чтобы не разбудить детей.
• 9. I mustn't eat too much. I'm supposed to be on a diet. - Запрет на переедание из-за диеты.
• 10. You don't have to be a good player to enjoy a game of tennis. - Отсутствие необходимости быть хорошим игроком для получения удовольствия.