Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the questions
Trả lời câu hỏi dưới đây:
Science with its invention and discoveries have revolutionised man's life.
Mark the letter A, B, C, or D on your answer sheet to show the underlined part thet needs corection in each of the following questions.
She is attending a three-day conference on AIDS education, doesn't she?