The teacher gives three minutes to skim a text, and when time is up,he asks students to stop and answer the question. What role is the teacher playing in this activity?

Whena teacher sees to it that every student has the equal access to lockstepactivities in class, the teacher is playing the role of a(n)_______.

Whenstudents are doing activities, the teacher walks around and provides help ifnecessary,both in knowledge and language. What role is the teacher playing?

Theteacher works as a(n)_______in the conversation below.
Student:1go to the museum last Sunday.
Teacher:That's nice. You went to the museum last Sunday, right?