41. John can’t come because he _________ work tomorrow.
A. should B. can C. must D. has to
42. I know they enjoy their work, but they______ work at the weekends. It’s not good for them.
A. shouldn’t B. don’t have to C. mustn’t D. have to
43. Elderly people _________ be treated with great respect
A. shouldn’t B. should C. aren’t obliged to D. mustn’t
44. He _________ use chopsticks for spring roll. It is finger food.
A. must B. has to C. doesn’t have to D. should
45. 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
46. It’s Vietnamese tradition to_____ with families at Tet.
A. back B. reunite C. relate D . bow
47. In American culture,_____ is very important.
A. punctual B. punctually C. punctuality D. punctualities
48. Language, religion, food and art are just some_____ of the various aspects of culture.
A. features B. faces C. ways D. products
49. Shoes must always be removed before_____ a Japanese home.
A. entrance B. enters C. enter D. entering
50. In Russia, Father Frost brings presents for children_____ New Year’s Day.
A. in B. on C. At D. for