Type the correct answer into the gap:
mustcan'tmight. 1. She isn't answering the phone. She______ be out.2. They _____ be Spanish, they're speaking Portuguese.3. He _____ have a job interview today - he's waiting to hear from the company.4. He drives an expensive car. He _____ have a good job.5. It's too early to have finished the exam. He ______ have finished.6. Sara's very busy. She ____ not be able to come tonight.