FILL IN THE PREPOSITIONS - of - to - on - at - with -: 1. He isn't popular with the students. + 2. She's good History. 3. She is very close at her mom. 4. You shouldn't be jealous on your sister.

Here are the sentences filled in with the appropriate prepositions:

1. He isn't popular with the students.
2. She's good at History.
3. She is very close to her mom.
4. You shouldn't be jealous of your sister.