—Let me see. Sure, no problem.
A. He is playing ping-pong.
B. They are climbing trees.
C. She is singing and dancing.
D. I'm doing my homework.
E. It's running on the grass.
以下内容有两处错误,请表述观点并说明理由。
发生在1910年的辛亥革命推翻了清朝统治,结束了我国两千多年的封建制度。
错误:____ 理由:____。