Facebook founder Mark Zuckerberg recently surprised Chinese students when  (1)  (speak)to t hem in Chinese. In a talk at Tsinghua University in Beijing, Zuckerberg spokeChinese for about 30 minutes.   (2)   his Chinese was far from perfect, the studentscheered his effort. Like Zuckerberg, more and more people are   (3)  (study) Chinese inAmerica. In 2015, about 70,000 American college students were studying Chinese. Thatis three times as many as in 1990.

    Andres Martinez,aprofessor at Arizona State University, says that he thinks    (4)  Is important to respect Chinese culture and expects the language to grow.  (5)  ,he saysEnglish will still remain the global language.   (6)   (see) as a more neutral（中立的）language than Chinese,English is not associated with one country. He says even the ideasof  (7)  (equal) are built into English grammar. Besides, Chinese is a more difficultlanguage to learn.TheU.S.  Foreign Service Institute points out that it will take a nativeEnglish speaker 2,200 hours to reach     (8)    (profession) fluency in Chinese, That is fourtimes longer than it will take to reach the same level in Dutch, French, or Spanish. Much  (9)  (simple) as Chinese grammar is, Chinese has a tone and writing system that ismore difficult for    (10)   (learn) to master.