Paragraph 2
Students tried
times to contact their professor in the
but could not get through to him. They waved their
and called his phone. A video of the
Mr Wang understood his mic was off has gone
on the Internet. After he understood what happened, he looked
and stressed. He said he was upset because he wasted two hours of his students'
. He will redo the
at a different time so his students do not miss his class. One of his students posted on social media about the professor's
. She wrote: "He teaches well. I feel
for him."
