During the process of completing this graduation paper, I have
received a lot of help, guidance, and encouragement from many people.
First of all, I would like to express my deepest thank to my supervisor
Mrs. Nguyen Thi Huyen – the lecturer of the Department of Fofeign
Language of Hai Phong Private University, for her enthusiastic guidance,
helpful suggestion and encouragement in writing of this report.
I would also like to send my thanks to all teachers of Foreign
Language Department for their helpings, contributions and teachings all the
time when I am at Hai Phong Private University.