急！急！英语高手请进帮我翻译一下。

Dear teacher,wish you have a happy festival.New term comes with new changes.In the last year of our Grade 9,we will work hard.Although you are the new teacher to teach us the Class 3,Grade 9,you can believe that we can prove ourselves with excellent behaves,and we won't disappoint you.Dear teacher,in teacher's day,we wish you have a happy day,get on well with your work and live happily together with every happy day which is my favorite.

Teacher Hello, I wish you a happy holiday. The new semester new weather, the last three days of the year we will work hard, although you are new to take over our nine three classes, I believe we will prove his outstanding achievements. Won't let you down. The teacher in your holiday wish you happy holidays, work smoothly, happiness, and I like most happy every day.

hello ,my teacher,new term and new air ,we will try our best in the whole year of our Grade 9,
although you are the new teacher of our class, we believe we will prove ourselves with our excellent grades,never let you down, we hope you happy in your festival.and work goes well,and your life happy, happy everyday and that is also my favourite!