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JAMB Economics 2007 Objective — Question 82

Question 82 of 96 from the Joint Admissions and Matriculation Board (JAMB) Economics 2007 Objective paper, with the correct answer and a full explanation.

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Our soldiers are starting to zero ___ the enemy.

  • A. at
  • B. in onCorrect
  • C. unto
  • D. on it

Explanation

The verb phrase 'zero in' is followed by the preposition 'on', meaning to focus one's aim (e.g. 'zero in on a target').

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