Isaw them ten minutes ago, so they must have gone/can't have gone far.they're speaking arabic, so they might be/ can't be from the uae.i rang her but she didn't answer. she might have gone/can't have gone to bed early. you've just eaten. you can't be/might be hungry already!
2. they might be
3. might have gone
4. you can't be hundry
2) might be
3) have gone
4) can`t be