Section 4: Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Question 20: The number of students attending universities to study economics have increased steadily in the last few years.
A. economics B. of students C. have D. attending
Question 21: It was suggested that Laura studies the material more thoroughly before attempting to pass the exam.
A. studies B. more thoroughly C. attempting D. to pass
Question 22: Despite the fact that it has been a long debate, I hope that the dispute will be settled without resource to litigation.
A. be settled B. resource C. litigation D. Despite