Wpisz poprawne czasowniki modalne.

I must/may be late home tonight, I have a lot of work to do at the office. {premium}
I know her very well, she can't/might seem a bit impolite but she doesn't mean to be.
Be careful! That man look suspicious, he can't /may be a pickpoket.
Come inside my dear! You must/may be freezing. It's really cold today.