阅读下面短文，用括号内地词的适当形式填空，必要时可加助动词或情态动词．

    Have you ever read the book A brief History of Times？ It（1）　　（write） by Stephen Hawking in 2013．

    Stephen Hawking was born on January 1th， 1942， exactly 300 years after the death of Galileo in Oxford， England． At the age of eleven， Stephen went to Oxford University， his father's old college． After three years， he won a first class honour degree in （2）　　（nature） science．

    In October 1962， Stephen arrived at the University of Cambridge （3）　　（do） research． He （4）　　（real） enjoyed his time there． Unluckily， Stephen had a bad （5）　　（ill） shortly after his 21st birthday in 1963 and was given two years to live． Yet he went on （6）　　（work） hard to become an excellent scientist． Stephen didn't live by （7）　　（he）， he fell in love with Jane Wilde and they got （8）　　（marry） in 1665， then they had three （9）　　（child）．

    Hawking liked China very much， he had visited China several times． On November 24th， 2017，Hawking （10）　　（reply） Wang Junkai on his Weibo． He said he was pleased to answer the excellent question from Mr． Wang Junkai．

    He once said， "My goal is simple， it is complete understanding of the universe（宇宙）．" Stephen Hawking is regarded as one of the most famous scientists since Einstein． Hawking died on March 14th，2018．