They tried to hide their disappointment, but it was ___ obvious.

Answer and explanation

Correct answer: A. perfectly

  1. Step 1: Read the sentence and decide what kind of word the gap needs. Step 2. 'Perfectly obvious' is a common intensifier + adjective collocation. Answer: perfectly. Why not the others: 'Highly', 'strongly' and 'greatly' do not collocate with 'obvious'.

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