Answer:
to spot the words and sentences that don't flow well in the essay
Explanation:
During the revising phase, it is recommended to read the essay out loud to check that the words and phrases are easy to follow and pronounce. Besides, it also makes sure that the word choice allows the reader to follow and understand the text in a fluent and easily-articulated manner. Thus, by reading the essay aloud can trigger changes in vocabulary choice and grammatical structure.