Choose the correct preposition to complete the sentence:

The faculty dean congratulated the young researcher _____ her groundbreaking publication in an international journal.

Answer and explanation

Correct answer: D. the preposition 'on' form

  1. Step 1: In standard English collocation, the verb 'congratulate' takes the preposition 'on' (or 'upon') followed by the occasion or accomplishment.
  2. Step 2: 'Congratulate someone on something' is the established idiom.
Answer
on.
Why not the others: 'Congratulate for' is a common colloquial interference error.

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