Explanation

• He is good at mathematics.
• وہ ریاضی میں اچھا ہے۔
• The adjective “good” commonly takes the preposition “at.”
• Good at is used to show skill or ability in a subject or activity.

Last verified on 11-05-2026

Explanation

• "Angry with" is the correct preposition when referring to a person.
• "Angry at" is used for situations or things.

Last verified on 16-07-2026

Explanation

• Sentence: The company is concerned about the well-being of its employees.
• We use "concerned about" when we mean worried, anxious, or caring about someone's welfare.
• We use "concerned with" when we mean involved in, dealing with, or busy with a specific topic or business.

Additional information:

• Concerned about means worried about something.

Last verified on 27-07-2026

Explanation

• The correct sentence is: “She is responsible for organizing the event.”
• The phrase responsible for is used to describe a duty or task someone is in charge of.

Last verified on 10-10-2026

Explanation

• The correct preposition with “proficient” is in.
• “Proficient in” means skilled or expert in a subject.
• It is commonly used with subjects like mathematics, English, science.

Last verified on 27-04-2026