Choose the correct preposition: 'She is good ___ mathematics.'
Aat
Bin
Cfor
Don
Answer & Solution
Correct answer: A. at
'Good at' (a skill/subject). Compare: 'good in' (a class/group), 'good for' (purpose), 'good on' (chance/luck — informal).
Related questions
Active: The teacher is teaching grammar. Passive form isActive: Someone has stolen my bag. Passive form isActive: Did she write the letter? Passive form isActive: People speak Hindi in India. Passive form isActive: She had taught me. Passive form isActive: They are repairing the bridge. Passive form isActive: They speak English. Passive form isConvert to passive: Open the door.