On the completion of this study, I have received a lot of help, assistance,
guidance encouragement and idea contribution from my teachers, family and
friends.
First of all, I would like to express my deepest gratitude and
indebtedness to my supervisor Tran Thi Ngoc Lien, M.A – Dean of Foreign
Languages Department at Haiphong Private University – who has always been
most willing and ready to give me valuable advice, inspiration and
supervision to complete this study.
My sincere thanks also send to the lectures of the Foreign Languages
Department at Haiphong Private University for their useful lessons during
four years studying here.