Rewrite the highlighted sentences. Use might (not), can't, or must.

1. They've been knocked out of the tournament. I'm sure they're disappointed.

They must be disappointed

2. Emily's late. It's possible that she has a meeting.

She might have a meeting

3. It's 8.30 and Tom's still in bed. I'm sure he isn't going to work today.

He can't be going to work

4. Don't buy that jumper for Ruth. It's possible that she won't like it.

She might not like it

5. We've only walked three kilometres. I'm sure you aren't tired already.

You can't be tired

6. Susie's been studying all night. I'm sure she has an exam tomorrow.

She must have an exam tomorrow

7. We've been waiting ages for the lift. It's possible that it isn't working.

It might not be working

8. My brother isn't answering his phone. It's possible that he's driving home from work.

He might be driving home from work