Chuyên đề 10: Động từ khuyết thiếu
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Smoking is not allowed in the museum. A. You mustn’t smoke in the museum. B. You can smoke in the museum C. You don’t have to smoke in the museum D. You may smoke in the museum

58/60

Smoking is not allowed in the museum.

You mustn’t smoke in the museum.

You can smoke in the museum

You don’t have to smoke in the museum

You may smoke in the museum

Giải thích

Chọn C