问题
选择题
Students are asked to _____ themselves in this boarding school and they are only allowed to go back home once a week.
A．act
B．behave
C．perform
D．observe
答案
答案：B
词义辨析。A. 行动，扮演 B.表现，使守规矩 C. 执行，完成 D. 观察，注意。句意：在这所学校应该要求学生们让自己守规矩……，故选B。