mọi ngưởi chỉ ra và sửa hộ ạ
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.
31. Peter is the carefuller driver that I have ever known.
A. the B. careftiller C. that D. have ever known
32. Despite the metric system is used throughout the world, it is still not commonly used in the United States.
A. Despite B. throughout C. metric system D. commonly used