David was one of （1）

the

the

most helpful students that we ever had.In 2004，he went to university in London and became interested in Chinese culture.
    After his（2）

graduation

graduation

（graduate）from university ，he went to China to study Chinese at Beijing Language and Culture University.Two years later ，he was able to speak Chinese（3）

fluently

fluently

（fluent） and achieved high grades in all subjects.Having finished his studies，he started （4）

to travel

to travel

（travel） in China.Some of the cities in China he likes most （5）

are

are

（be） Beijing，Shanghai，Harbin and Nanjjye.aig.In China he develops an interest in teaching English to Chinese students.Most of the students whom he taught （6）

have become

have become

（become） his friends ever since.
    When he returned to Britain two months ago，he brought back from China many （7）

interesting

interesting

（interest） books，dictionaries，paintings and photos （8）

to spread

to spread

（spread） Chinese culture.He donated（捐贈） most of them to our school library.Some of the books were gifts（9）

that/which

that/which

he got from his Chinese friends and students.The paintings that David donated to the school are being shown in the exhibition room.Teachers and students at our school wish to thank David（10）

for

for

his kindness.