WHICH OF THE FOLLOWING STATEMENTS IS TRUE

47. - BAI TAP TRAC NGHIEM TIENG ANH 12
BAI TAP TRAC NGHIEM TIENG ANH 12
47. Which of the following statements is TRUE? A. The atmosphere in all American classrooms is always formal. B. The atmosphere in ajl American classrooms is always informal. C. American students can call their teachers by their first names. D. American teachers are never allowed to dress'informally.