MARK THE LETTER A, B, C, OR D ON YOUR ANSWER SHEET TO SHOW THE UNDERL...

Câu 23: Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction. (A)The number of students (B) attending universities (C) to study economics (D) have increased steadily in the last few years. A. The number of B. attending C. to study D. have