Read the sentences carefully and think about the situations. Complete the gaps with a modal verb must, can't, could, may (not) or might (not) and the verb in brackets. Then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints!
1. Linda is a top lawyer. She (earn) a lot of money.
2. She (work) here now. Perhaps she's changed her job.
3. Graham (be) a doctor. He never went to university!
4. She (play) an instrument, but I don't think she does.
5. He (have) a mobile phone. Everybody's got one!
6. I'm not sure, but yes, he (live) in Madrid.
7. You (be) serious. That's a crazy idea!
8. Paul (like) television. He never watches it.
9. She (be) Portuguese. She could be Brazilian.
10. You (be) tired. You've been working all day.