Fill in: may/might/could/must or can’t

1. Bob seems really happy. He ………..have had a great time on holiday.

2. Jane got promoted again. She ………..be very satisfied.

3. She …………have got the job. She has absolutely no experience.

4. Mr. Norman is not answering his phone. He …………..be out of the office.

5. They ………..be finished. They only started half an hour ago.

6. Take an umbrella. It ……….rain later on today.

7. They ………….be related. They look so alike.

8. I’m not sure but we ……………have a problem with this.

9. Visitors ……………..wear badges. It’s a company rule.

10. We ………….book a holiday in Hawaii. We’re not sure yet.​