Modaux de déduction au passé : must, might, can't have

Complete the following sentences using the most appropriate modal verb of deduction in the past: 'must have', 'might have', or 'can't have'. 1) Sarah was absent yesterday. She __________ (miss) her bus. 2) The ground is wet. It __________ (rain) during the night. 3) You say you saw John at the party, but he was in London. You __________ (see) him.