In 2020， there are a number of people and their heroic deeds（英雄事迹） moving us．Yu Tiefu is an excellent and kind doctor．He was born in Mudanjiang，a small city in Heilongjiang Province in 1978．He graduated（1） 　　Qiqihar Medical College．In 2008，he became a doctor in Qiqihar No.1 Hospital．He（2） 　　won many prizes since then．

A picture made him popular on the Internet in 2016. He had just finished an operation and then he would do the next operation immediately（立即）. He was so tired that he fell       （3） 　　against the wall. He was always working for a long time without rest.          （4） 　　hard﹣working he was!

Because of the epidemic（疫情） he was much（5） 　　 ^th，2020，126 doctors and nurses from Qiqihar No．l Hospital were（6） 　　to Mudanjian to fight against the epidemic．Yu Tiefu was among（7） 　　．Although his parents and brother lived there，（8） 　　he didn't tell them about this special task．He took his job（9） 　　．He came into contact wth（与……接触）（10） 　　persons with COVID﹣I 9 virus（病毒） closely and asked them about their feelings everyday．He also helped the nurses disinfect（消毒） the wards．He got on well wih the patients．Some patients were afraid of the virus， he made them feel（11） 　　and encouraged them to cheer up．

^th， they finished the work successfully and went back to Qiqihar．But he couldn't return home directly to see his wife and his（12） 　　daughter．He had to be in isolation（隔离）in Hemei Hotel．（13） 　　 ^stbecause he was overtired．He was only 42 years old when he died．He prepared a present（14） 　　his daughter，but he couldn't give it to her by（15） 　　．He had no chance to hug is wife and daughter again．He is a common man，but he did the most unusual things．Yu Tiefu is a real hero．We should learn from him．

（1）A．for	B．from	C．of
（2）A．has	B．have	C．having
（3）A．sleep	B．sleeping	C．asleep
（4）A．How	B．What a	C．What
（5）A．busy	B．busier	C．busiest
（6）A．send	B．sent	C．sending
（7）A．they	B．their	C．them
（8）A．but	B．/	C．and
（9）A．seriously	B．serious	C．terrible
（10）A．much	B．a lot	C．a lot of
（11）A．relaxed	B．relax	C．relaxing
（12）A．five years old	B．five﹣year﹣old	C．five﹣year﹣olds
（13）A．Unluckily	B．Luckily	C．Happily
（14）A．to	B．in	C．for
（15）A．herself	B．himself	C．itself