Modals of deduction in the past

1. I ________ revised more for the exam. I was lazy, and now I'll fail!

2. Sarah looked very happy. She ______ passed her driving test.

3. I didn't know you were going to Phil's party yesterday. You _____ told me!

4. You ____ been ill yesterday. Jessie saw you at the bowling alley.

5. I don't know where they went but they _____ gone to Paris or Marseille.

6. The window was broken, so the thieves ____ got in through that window.

7. I _____ left my wallet in the restaurant. I paid for the taxi home afterwards.

8. It is still a mystery how the robber gained access to the bank. Police are investigating whether the suspect _____ known one of the employees.

9. Oh no! My phone's not in my bag. I _____ left it at home.

10. Let's ask at reception to see if they have your keys. Someone _____ found them.

11. Why were there no buses yesterday? Maybe it was the snow or they _____ been on strike.