Choose the best answer. (Em hãy kéo, thả đáp án đúng vào chỗ trống)
- must + V: phải làm gì
- mustn’t + V: không được làm gì
Đáp án: We must be home by 9.00 o’clock. The film starts at 9.15.
Tạm dịch: Chúng tôi phải về nhà trước 9 giờ. Bộ phim bắt đầu lúc 9.15.
Các bài tập cùng chuyên đề
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