student.: could you help me please ?
teacher: what's going on ?
student: i don't know the exam room . I tried to find my name on broad but i don't see my name so how can i do ?
teacher:umm u should go to sm401 room .Next, you should ask a teacher who have a duty for sloving a problem.
student:thank you very much. If i come late exam , can i have a right to enter the room ?
teacher: it must not exceed 10 minute .
student : thank you for helping ,see you again .