Ex.4 Fill in the correct prepositions (of, with, on, about, at, to).
1. He isn't patient _____ stubborn people.
2. She's good _____ Maths.
3. She is very close _____ her mom.
4. You shouldn't be jealous _____ your sister.
5. I’m very fond ________ sports.
6. Don’t be nervous ______ taking exams.
7. He’s keen _________ foreign languages.