A teacher smiled and sighed and said, "it doesn't matter. The teacher forgives you. Please sit down."

the teacher turned around, picked up the chalk, wrote his name and QQ on the blackboard, and then flipped the courseware in front of the multimedia computer. About five minutes later, the students came back again and again.

when a teacher saw that the students were almost here, he said, "OK, students, let's have class first, and then finish class early. Otherwise, the canteen will be crowded during dinner, and you can't buy good dishes. I don't think so. "

"OK!..." It's rare for such a teacher to think for himself. Of course,...