Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks

The (30) _________ between students and teachers is less formal in the USA than in many other countries. American students do not stand up when their teacher enters the room. Students are generally (31) __________ to ask questions during class, to stop (32) _______ the teacher’s office for extra help, and to phone if they are absent. Most teachers allow students to enter class late or leave early if necessary. (33) ________ the lack of formality, students are still expected to be polite to their teachers and fellow classmates.

When students want to ask questions, they usually raise a hand and wait to be called on. When a test is being given, talking to a classmate is not only rude but also risky. Most American teachers consider that students (34) ________ are talking to each other in a test are cheating.