1. Do you know the game show in the photo? What happens on the show? (Bạn có biết game show trong ảnh không? Điều gì diễn ra trong chương trình?)

Trả lời:

The game show named "Who is the Millionaire". In the game, player should answer questions and who can answer 15 questions correctly can become the winner.

2. Read and listen to the dialogue and circle the correct verbs. (Đọc và nghe đoạn đối thoại và khoanh tròn các động từ đúng.)

Host   This question is for £125,000. Ji|I, in the sitcom How I met wour Mother, what is Ted Mosby's job? ls it A, lawyer, B, designer, C, architect, or D, reporter?

Jill      Um... I'd like to ask the audience, please.

Host  OK, Audience, you (1) must / mustn't answer A, B, C or D on keypads ... now! ... OK, 30% think it's B and 50% think it's C. But you (2) mustn't / needn't take their advice.

Jill      Mmm, I'm not sure. | think I'll phone my friend Danny.

Host   OK, Danny. Jill has a question worth £125,000. You (3) must / needn't answer within thirty seconds.               OK?

Danny Um, I think it's B ... or maybe C.... No, it's D.

Host  Sorry,youre out of time. OK Jill, you (4) don't have to / must answer the question. You can walk away           with £64,000.

Jill     I'm going to answer C.

Host  Final answer?

Jill      No. Yes. No.

Host   You (5) don't have to / mustn't change your mind!

JiIl      The answer is B. Final answer.

Host    Oh, Jill, the answer is C, architect. You ve just lost £32,000!

Trả lời:

1 must          2 needn't           3 must           4 don't have to         5 mustn't

3. Read the Learn this! box and complete the rules. Use must, mustn't, needn't and don't have to. Use your answers to exercise 2 to help you. (Đọc phần Learn this! và hoàn thành các quy tắc. Sử must, mustn't, needn't and don't have to. Sử dụng câu trả lời của bạn ở bài tập 2)

Trả lời:

a We use (1) must to say that something is necessary or very important to do.

b We use (2) needn't  and (3) don't have to say that something is not necessary.

c We use (4) mustn't to say that something is prohibited (a negative order).

4. What are the rules for using mobiles at your school? Write sentences with must, mustn't and needn't and the phrases below. If you can, add ideas of your own. (Các quy tắc sử dụng điện thoại di động ở trường của bạn là gì? Viết câu với must, mustn't và needn't và các cụm từ bên dưới. Nếu bạn có thể, hãy thêm ý tưởng của riêng bạn.)

Using mobiles

bring our mobiles to school

leave them in our bags

put them on our desk during lessons

keep them on silent all day

send texts during lessons

Mobiles must be kept on silent all lay.

Gợi ý:

- Mobiles must be left in our bag.

- Mobiles must be put on our desk during lessons.

- We musn't send texts during lessons. 

5. Read the Look out! box. Then, using the words in brackets, rewrite the sentences so that they have the same meaning. (Đọc phần Look out! Sau đó, sử dụng các từ trong ngoặc, viết lại các câu sao cho chúng có cùng nghĩa.)

Trả lời:

2 It's compulsory for us to wear school uniforms. (have to)

=> We have to wear uniforms.

3 You arent allowed to talk in the exam. (mustn't)

=> You mustn't talk in the exam.

4 Its important that you listen to me. (musn't)

=> You must listen to me.

5 You needn't write the answer. (have to}

=> You don't have to write the answer.

6. SPEAKING Work in pairs. Ask and answer about the rules of a game show you know. Use must, mustn't and needn't / don't have to. Can your partner guess the name of your game? (NÓI. Làm việc theo cặp. Hỏi và trả lời về luật chơi của một game show mà bạn biết. Sử dụng must, mustn't and needn't / don't have to. Đối tác của bạn có thể đoán tên trò chơi của bạn không?)

Gợi ý:

- A: Can I play in a group?

- B: No, you mustn't play in a group.

- A: What do I need to do?

- B: You must guess a number.

- A: Do I need to do some maths?

- B: You don't have to calculate the numbers.

=> Game show "Hay chon gia dung"