Bộ 20 đề thi Tiếng Anh vào 10 có đáp án cực hay (Đề 10)

According to our school's regulations, students use mobile phones in class.

16/40

According to our school's regulations, students______ use mobile phones in class.

mustn’t

shouldn’t

needn’t

won’t

Giải thích

Đáp án A