2.Children have to live with their parents until they reach the age of 18. (obliged) 3.Vietnamese students are obligated to wear uniforms when they go to school. (have) 4 -Students mustn’t run or be noisy in the school building. (not allowed) 5 -Photography is not allowed at some sacred places. (mustn’t) 6 - You are not allowed to use your mobile phone on the plane. (mustn’t) 7-Is it really necessary for us to finish the work today? ​Do we _______________________________________________________________ 8-Is it necessary for me to tip in a coffee shop? (have to) ​__________________________________________________________________________ 9-It’s not mandatory( bắt buộc) for staff to wear vests in their company. (need) ​__________________________________________________________________________ 10-It’s really important to remove your shoes when entering a temple. (must) ​__________________________________________________________________________ 11-It’s Saturday tomorrow, so it’s not necessary for Jane to get up early. (have to) ​______________________________________________________________________ II. Choose the underlined word or phrase, A, B, C or D that needs correcting. 1. Some people think young people should to follow the tradition of the society. ​A ​B ​C ​D 2. According for tradition, the first person to enter the house on New Year’s Eve bringseither A B ​C ​good luck or bad luck. ​D 3. The traditional Vietnamese wedding is one of the most important ceremony in Vietnamese A B ​C ​culture. ​D 4. The Japanese are familiar with the western custom to eat a turkey dinner forChristmas. ​A ​B ​C ​D 5. In Vietnam the engagement is sometimes considered much important than the wedding. A B ​C ​D 6. Dressingwell is important in South Korea; it is considered a sign of respectful. ​A ​B ​C ​D 7. In India, you shouldn’t never use your left hand to eat because it’s considereddisrespectful. ​A ​B ​C ​D 8. He asked me anxiously what he has to do when visiting a Vietnamese home. ​A ​B ​C ​D III. Supply the correct tense and form of the verbs in brackets. 1. Last week, we ____________(have) dinner with a French family. 2. I hate eating with spoon because it____________(cause) trouble when I eat fish. 3. In the past, ao dai ____________(wear) by both men and women. 4. The speaker ____________(give) a presentation on Vietnamese customs and traditions right now. 5. She ____________(travel) to six countries since she ____________(start) the job. 6. Our family __________(have) dinner together every Saturday night. It’s our family tradition. 7. I hope I ____________(have) a chance to visit your country soon. 8. When in Japan, you should avoid ____________(eat) on the go. 9. I think you should ____________(go) to the doctor. You look terrible. 10. The Japanese tend ____________(use) their mobile phones discreetly when in public. IV. Choose the best answer to complete the sentences. 1. You look really tired. You _________ take a few days off and have a holiday. a. should ​b. must ​c. have to ​d. can 2. In Vietnam, you _________ take a deep bow as you do in Japan. a. mustn’t ​b. don’t have to ​c. should ​d. shouldn’t 3. Sorry, but my train is at 6.00. I _________ leave now. a. shouldn’t ​b.ought to ​c.mustn’t ​d. have to 4. You _________ look’ at other students’ work. It’s against the rules. a. shouldn’t ​b.don’t have to ​c. mustn’t ​d. can’t 5. The airline only allows two piecesof luggage. You _________ pack too much! a. shouldn’t ​b. mustn’t ​c. don’t have to ​d. couldn’t 6. John can’t come because he _________ work tomorrow. a. should ​b.can ​c.must ​d. has to 7. I know they enjoy their work, but they ______ work at the weekends.It’s not goodfor them. a. shouldn’t ​b.don’t have to ​c. mustn’t ​d. have to 8. Elderly people _________ be treated with great respect a. shouldn’t ​b. should ​c.aren’t obliged to ​d. mustn’t 9. He _________ use chopsticks for spring roll. It is finger food. a. must ​b.has to ​c.doesn’t have to ​d. should 10. Everyone _________ wear a helmet when riding a motorbike. It’s mandatory according to traffic law. ​a.isn’t allowed to ​b. must ​c. can ​d. shouldn’t