None, that's what students are for.
None, they will keep worshipping in dark.
They love to watch mistakes being made.
Two. One to arrest the room for being black, and the other to arrest the bulb for being broke.
None. They wait for the electrician to make a mistake and yell at them for doing it wrong.
She grated it.
Mister bus
Teacher: Why is your paper blank? Student: Sometimes silence is the best answer ! :D :D
Student: Me Ma'am! Me! Teacher: Ok Pedro! What is science Student: science is our Lesson for today.