WAEC - English Language (2012 - No. 12)
From the words lettered A to D, choose the word that best completes each of the following sentences:
His lecture was.............and so the students did not understand it.
indefinite
illegible
unintelligible
unimpressive
Explanation
We're looking for a word that explains why the students could not understand the lecture. The word is "unintelligible", which means not able to be understood.