4. Fill in the gaps with the correct form of have to. 1. You ________ turn off the lights when you leave. It saves energy. 2. We ________ clean the park today. We did it yesterday. 3. She ________ come to the meeting if she is busy. It's not obligatory. 4. He ________ wear a helmet when he rides a motorbike. It's the law. 5. They ________ buy new garden tools; they can borrow ours.

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

1. You have to turn off the lights when you leave. It saves energy.
2. We don't have to clean the park today. We did it yesterday.
3. She doesn't have to come to the meeting if she is busy. It's not obligatory.
4. He has to wear a helmet when he rides a motorbike. It's the law.
5. They don't have to buy new garden tools; they can borrow ours.

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