Select the most appropriate option to fill in the blank.

There was a ________ accident last night and the inspector on deputy was unable to raise help when she called from the mountains. 

The correct answer is 'serious'.

Key Points

• The most appropriate word for the given blank is 'serious'.
• Given this context, we need a word to fill in the blank that describes the accident as significant, important, or dangerous. Out of the four options provided, "serious" is the only one that fits this meaning and makes sense in the sentence.
• Let's see why other options are incorrect:
  • Option 1, "goofy," means silly or foolish, and is completely unrelated to the context of the sentence.
  • Option 2, "gloomy," means dark, depressing, or sad, and does not fit the context of the sentence either.
  • Option 4, "harsh," means cruel, unkind, or severe, and again does not fit the context of the sentence. 
• Thus, the correct answer is Option 3.
   

Correct Sentence: There was a serious accident last night and the inspector on deputy was unable to raise help when she called from the mountains.