Choose the best answer. (Em hãy kéo, thả đáp án đúng vào chỗ trống)
mustn’t: không được
don’t have to: không cần
Trong trường hợp này hành động nói cho mọi người là không được phép (theo ý kiến chủ quan của người nói) => dùng mustn’t
Đáp án: You mustn’t tell anyone. It is a big secret.
Tạm dịch: Bạn không được nói cho ai biết. Đó là một bí mật lớn.
Các bài tập cùng chuyên đề
Choose the best answer to complete the sentence.
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I ______ watch TV late at night. My parents say I must go to bed early.
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You____ put the rubbish into the bin.
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I _______ do my homework. My teacher said so.
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This is the smoking room at this airport . You ______ smoke in this room.
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You _______ across the road without looking around.
