Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
There are substantial differences between the two groups.
A. effective
B. inconsiderable
C. considerable
D. slight
Đáp án C
Substantial ≈ considerable: đáng kể, đáng cân nhắc
Tạm dịch: Có sự khác nhau đáng kể giữa 2 nhóm