Дополните эти предложения, используя must ( have ) или can’t ( have ) Examples: ‘Is he British’? ‘Yes, he must be British.

1. Are they married? - Yes, they must be married. 2. Is he serious? - No, he can’t be serious. 3. Were they in a hurry? - Yes, they must have been in a hurry. 4. Does Ann know a lot of people? - Yes, she must know a lot of people. 5. Did Tom know about the plan? - Yes, he must have known about the plan. 6. Do they have much money? - No, they can\'t have much money. 7. Was he driving carefully? - No, he can\'t have driven carefully. 8. Are they waiting for somebody? - Yes, they must be waiting for somebody.