Her father prevented her against dropping out of high school. No error
The correct phrase is “to prevent someone (or something) from doing something.”
940 MCQ for effective preparation of the test of Prepositions of English Grammar section.
Read the MCQ statement: Her father prevented her against dropping out of high school. No error, keenly and apply the method you have learn through the video lessons for Prepositions to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 376-4655.