In an exam editing task, Choose the correct preposition: She is good ____ solving puzzles.

B. at

Step 1: Identify the concept: grammar/vocabulary: preposition. Step 2: because the phrase is good at a skill or activity. Step 3: Exam tip: learn common adjective-preposition pairs.

Step 1: यहाँ grammar/vocabulary: preposition पहचानना है। Step 2: because the phrase is good at a skill or activity. Step 3: याद रखें: learn common adjective-preposition pairs.