Multiple choice

He was foolish ___________ to listen to her.

  1. enough

  2. too

  3. also

  4. as well
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The structure 'adjective + enough + to-infinitive' expresses sufficient degree ('foolish enough to listen'). 'Too' would mean excessive ('too foolish to listen' would mean he was so foolish that he would not listen). 'Also' and 'as well' are not grammatically correct in this construction.

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