A PhD student surnamed Sun is in the hot seat for occupying a woman’s seat on a high-speed train on August 21, 2018.In a video posted on Sina Weibo, the man can be _______lying in a seat. When the woman asked him to give her seat back, he refused and said, “You have three _______ — stand, take my seat or go to the dining coach.”A train attendant then came to try to ask him to give the seat back. Sun said he wasn’t able to stand on his own and _______ a wheelchair. The attendant had to lead the passenger to _______ seat. Many people have expressed ______ at the man’s behavior. Some