Fill in all the gaps, then press "Check" to check your answers.

  Revision: re-word the following sentences using correct forms of can, may or must:

Example: 1. I don't think he did it all by himself. He can't have done it all by himself.

2. Perhaps you're right. .
3. It is possible that they forgot it in the car. .
4. Is it really true? ?
5.I don't believe he has been meaning to do it. .
6. It is impossible that he should have refused your request. .
7. Evidently he has not read the book. .
8.I wonder where it is that you met him. ?
9. I'm certain that he has heard the gong. .
10. It was some special occasion, I'm sure. .
11. He looks wet and muddy. I'm sure he has been fishing. .
12. No doubt, she is out shopping. .
13.I wonder what it is that you have brought in that box. ?
14. It's possible that he doesn't know we are here. .
15. Is it possible that he is giving a course on the Renaissance at the University? a course on the Renaissance at the University?
16. It is possible that the news is being broadcast on all the chan­nels. on all the chan­nels.
17. I'm certain they didn't take notes of the meeting. of the meeting.
18. Is it possible that we are out of wrapping paper? of wrapping paper?
19. It is possible he will again forget to rule a margin down the left side. rule a margin down the left side.
20. "I don't now see him driving his car. Is it possible that some­thing has happened?" ? "Evidently his car is undergoing re­pairs." .
21. It is just impossible for you to get this thing done so soon. this thing done so soon.
22. I wonder what it is that he is doing in there. ?
23. Then the firing began again. This time it was impossible for it to be more than a mile away. more than a mile away.
24. Let's give her a call again. It is possible that she was asleep and didn't hear the telephone. the telephone.
25. You have used up all the money I gave you, I suppose. all the money I gave you.