Circle A, B, C or D to find a mistake in the four underlined parts of each sentence.
Trả lời câu hỏi dưới đây:
Mark the letter A, B, C, or D on your answer sheet to show the underlined part of Question 31-35 that needs correction.
Mark the letter A,B,C, or D on your answer sheet to show the underline part that needs correction in each of the following questions