----- Nội dung dịch tự động từ ảnh ----- The relationship between students and teachers is less formal in the USA than in many other their teacher enters the room. Students are generally encouraged to ask questions during class, to stop in the teacher's office for extra help, and to students to enter class late or leave early if the lack of formality, students are still expected to be polite to their teachers countries. American students do not stand up (31) phone if they are absent. Most teachers (32) necessary. (33) and fellow classmates. a hand and wait to be called When students want to ask questions, they usually (34) on. When a test is being given, talking to a classmate is not only rude but also risky. Most American a test are cheating. teachers consider that students who are talking to each other (35) C. that C. make C. Despite C. raise C. while 31. A. when 32. A. let 33. A. Though B. where D. whether B. allow D. encourage B. In spite D. Because of 34. A. rise B. arise D. put 35. A. in B. when D. during