Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It is obligatory for students to wear uniforms to school.
A. Students needn't wear uniforms to school.
B. Students shouldn't wear uniforms to school.
C. Students must wear uniforms to school.
D. Students may wear uniforms to school.
It is obligatory for students to wear uniforms to school.
A. Students needn't wear uniforms to school.
B. Students shouldn't wear uniforms to school.
C. Students must wear uniforms to school.
D. Students may wear uniforms to school.
Giải thích: Từ "obligatory" có nghĩa là bắt buộc, không thể tránh được. Vì vậy, đáp án chính xác là "Students must wear uniforms to school."
Đáp án C.