b. 6 rules.
c. 7 rules.
2. When the students are not asking questions, they ...
a. use the "raise hand" button.
b. turn on the mic.
c. turn off the mic.
3. Andre wants to ask a question. He ...
a. uses the "raise hand" button.
b. turns on the camera.
c. turns off the mic.
4. Galang wears ... to study English online.