IX:
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.
Trả lời câu hỏi dưới đây:
The peasant’s wife , who have been married for four times, has just had her third baby.
Đáp án là B. have been=> has been. Vì The peasant’s wife ( vợ của người nông dân ) là danh từ số ít.