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UI Post-UTME Use of English 2012 Question 24

Question 24

Vocabulary in Context

Choose the option that best fills the gap or gaps: For the sake of clarity, the professor was asked to ________ on the hypothesis

  1. A.expatiate
  2. B.expand
  3. C.expantiate
  4. D.explicate
Show the answer and explanation

Answer: A (expatiate)

Explanation

To expatiate on a topic is to explain it at length; the phrase takes 'on'.