Lee, who has been married for 40 years, said he can't fall asleep at night as he is worried about his wife.
Lee is currently in quarantine, and his first exam is slated for March 28.
Later Liu was invited to be technical director for iQiyi's 2018 robot battling show Clash Bots.
Leading media have also criticized the use of the term.
Lee's own predecessor, the liberal Roh Moo-hyun, committed suicide by jumping off a cliff after being questioned over corruption allegations in 2009.
Lawrence Ma Yan-kwok, a barrister and chairman of the Hong Kong Legal Exchange Foundation said it will be necessary to refer cases to the law enforcement agencies if the Education Bureau finds similar acts suspected of violating the National Security Law in the future as the bureau lacks the legal knowledge to determine whether such acts break the law or not.
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Leading Chinese mapping service provider Amap and more than 80 local traffic authorities jointly issued the forecast on travel for the holidays.
Last year, the country's civil aviation industry handled 660 million passenger trips and 7.52 million tonnes of air cargo, a respective year-on-year increase of 7.9 and 1.9 percent.
Legal documents, online platforms expected to ensure quality of hearings
Legend has it that the pancakes, acclaimed for their quality, originated in the Ming Dynasty (1368-1644). They're mainly produced in Huangshan city and neighboring counties.