Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Schooling is compulsory for all Vietnamese children from the age of 6 to 14.
A. obeyed
B. required
C. obligatory
D. optional
D
“compulsory”: tính bắt buộc, trái nghĩa là “optional”: tự chọn, không bắt buộc