Exercises 32.1 Complete the sentences. Use must be + one of these: good hungry in the kitchen tired very happy 1. Silvia worked ten hours today. She must be tired for you 2. It's evening and you haven't eaten anything all day. You 3. It's the most popular restaurant in town, so the food 4. "I got the job!" "You did? That's great. You 5. The phone's ringing. I know it's not for me. It 6. My keys aren't in the living room, so they