Circle the correct answers. (Khoanh vào đáp án đúng)

1. You must / mustn't finish your breakfast or you'll be hungry later.

2. I must / mustn't leave before 8.30 or l'Il be late for school.

3. You must / mustn't eat that bread. It's a week old!

4. In football, you must / mustn't touch the ball with your hand.

5. You must / mustn't visit Paris some time. It's a wonderful city.

6. You must / mustn't go near the edge of the cliff. It's very dangerous.

Complete the sentences with must, mustn't or needn't. (Hoàn thành câu với must, mustn't or needn't)

1. You _____ take off your shoes if they are clean.

2. Students _____ turn off their mobiles during lessons or the teacher will take them away.

3. You _____ go to the check-in desk if you have checked in online.

4. In most Arab countries, you _____ eat with your left hand. You should use your right hand.

5. When you're driving, you _____ stop if someone steps onto the pedestrian crossing.

6. We _____ waste any more time.

Complete the sentences with must or have to and the verbs below. (Hoàn thành các câu với must hoặc have to và các động từ bên dưới)

Complete the sentences with a modal verb followed by a passive infinitive. Use the words in brackets. (Hoàn thành các câu với một động từ khuyết thiếu theo sau bởi một nguyên thể bị động. Sử dụng các từ trong ngoặc)