Task 2. Mustn't or can't? 1. We ... hurry. We will make mistakes. 2. We ... hurry. We are early. 3. We ... leave the door open. The rain will come in. 4. We ... leave the door open. Peter has a key. 5. You ... drive so fast. The police will stop you. 6. You ... drive so fast. We've got a lot of time. 7. You ... pay now. You can pay when the work is finished. 8. You ... smoke and use mobile phones on a plane.

1. We mustn't hurry. We will make mistakes. 2. We can't hurry. We are early. 3. We mustn't leave the door open. The rain will come in. 4. We can't leave the door open. Peter has a key. 5. You mustn't drive so fast. The police will stop you. 6. You can't drive so fast. We've got a lot of time. 7. You don't have to pay now. You can pay when the work is finished. 8. You mustn't smoke and use mobile phones on a plane.