II. Vocabulary and Grammar
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All students __ wear uniforms at school because it is

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Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

All students ____ wear uniforms at school because it is a rule.

should

have to

ought to

Must

Giải thích

Đáp án B

Dịch: Tất cả học sinh phải mặc đồng phục ở trường vì đó là quy định.