Question

Use the correct preposition. She is good ______ Mathematics.

• A. on
• B. at
• C. in
• D. for

Answer 1

Answer:

B. at

• Rule: Use the preposition at after the adjective "good" when expressing ability or skill in a specific subject, sport, or activity.

• Examples:

  • He is good at soccer.

  • They are good at drawing.