Rewrite the sentences using the word given.

1. I'm sure he hasn't got any money left. He's spent a lot this evening. (can't)

2. I think I broke my arm. It hurts and I can't move it. (must)

3. I don't believe he took your book. (can't)

4. I think she likes blue. Most of her cloches are blue. (must)

5. I'm sure Alex wasn't at the party last night. He was ill. (can't)

6. I don't think this is the right key. It doesn't fit the lock. (can't)

7. I think it snowed all night. Everything is white outside. (must)

8. I don't believe you finished your homework. You started half an hour ago! (can't)