Facebook founder Mark Zuckerberg surprised Chinese students when he spoke to them in Chjye.aiese.In a talk at Tsinghua University in Beijing，Zuckerberg spoke Chinese （1）

for

for

about 30 minutes.（2）

Though/Although

Though/Although

his Chinese was far from perfect，both students and teachers cheered for him.
    Clayton Dube is the head of the America-China Institute at the University of Southern California.He （3）

praises

praises

（praise） Zuckerberg's effort（努力） .And he says that more American CEOs should learn （4）

foreign

foreign

['f?r?n] languages." To speak Chinese means you begin to think as Chinese people do.You begin to understand how Chinese speakers have the words organized，how they understand things.And that is an important step if you're going to （5）

communicate

communicate

[k?'mju：n??ke?t] well."
    Zuckerberg's talk puts forward a larger question：Is Chinese the future of language？Could it replace English as the world's international language？Mandarin Chinese already has the most （6）

native

native

['ne?t?v] speakers.And also China may soon pass the United States as the world's （7）

largest

largest

（large） economy（經(jīng)濟(jì)體）.The study of the Chinese language is （8）

increasing

increasing

（increase） in the United States and around the world.But Clayton Dube does not think Chinese will take the place of English any time soon.Chinese is a more difficult language to learn.The U.S.Foreign Service Institute says it would take （9）

an

an

English speaker 2，200 hours to speak or use Chinese freely.That is four （10）

times

times

（time） longer than it would take to reach the same level in Dutch，F(xiàn)rench，or Spanish.