issb english MCQ #18

Fill in the blank: 'She is proficient ___ mathematics and keen ___ joining the aviation branch.'

issb english MCQ #18

  1. Question 1

    Q1. Fill in the blank: 'She is proficient ___ mathematics and keen ___ joining the aviation branch.'

    • A) in, on
    • B) at, in
    • C) in, on
    • D) with, for

    Answer: in, on

    Explanation: Standard usage is 'proficient in' a subject and 'keen on' doing something.