
ii
ACKNOWLEDGEMENTS
The study would not been completed without the invaluable assistance and
encouragement of many people for whom I am grateful.
I especially would like to express my deepest thanks to my supervisor Dr.
Hoang Thi Xuan Hoa, whose useful instructions and advice, as well as detail critical
comments and encouragement have helped me a great deal from the beginning to
the end of the thesis writing process.
I also would like to thank to the teachers and the staff of the Faculty of Post-
Graduate Studies, University of Languages and International Studies who have
given me useful advice and favorable conditions for the completion of the thesis.
My sincere thanks go to all teachers of English and students in Me Linh high
school who have wholeheartedly helped me much with enthusiastic contribution
and cooperation.
I am really in debt to my beloved family, my friends who always support me
and show great patience all the time in my life. They all are my precious persons
who make me keep moving forward.
At last, I realize that although I made my best effort, this thesis is still far
from perfection. Therefore, any constructive criticism and suggestions for the
improvement of this thesis are highly appreciated. Then, I really hope that this
thesis is able to give contribution to the readers and useful for the teaching and
learning process.