Which one is correct? ( I am married ___ Sarah)

Which one is correct? (The fur of polar bears makes them immune ____ low temperatures)

Which one is correct? (I am really excited ____ the concert!)

Which one is correct? (Wow, you passed your exam with flying colours! I'm so proud ____ you!)

 Which prepositions can be correct in this sentence? (I don't know what to do. I'm scared ____ my dog.)

Which one is correct? (The jug is full ___ orange juice)

Which one is correct? (You are always late! I am fed up ____ you!)

Which one is correct? (The CEO is not responsible ____ the problems in the company)

Which one is correct? (Children are exposed ____ more and more advertisements)

Which prepositions can be correct in this sentence? (I am not so sure ____ that, Anna)