After a ___ search, the police found the missing child.

Answer and explanation

Correct answer: B. thorough

  1. Step 1: Read the sentence and decide what kind of word or phrase the gap needs. Step 2. 'Thorough search' is a standard collocation. Answer: thorough. Why not the others: 'Total search', 'whole search' and 'utter search' are not natural.

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