MY HOPE

1.I hope one day I could speak Germany fluently.

Correct: I hope one day i could speak german fluently
2.I hope I can get acquainted with many foreign friend.

Correct: I hope I can get acquainted with many foreigners.
3.I hope my life could be more happier and more optimistic.

Correct: I hope my life would be happier and optimistic.

You dont say more happier since the word happier is already in superlative form
4.I hope I can have more time to write dowm my own words.I want to be an author.

Correct: I hope I have more time to write down my thoughts since I want to be a writer
5.HU XIA is really a cute boy~I hope one day I could be one of his friends.

Correct: HU Xia is really cute -I hope I could be one of his friends these days
6.I hope BAYERN can win the game tomorrow and Schweini please come through the injured sooner.We missed him sooooo much.
7.I want to meet some guys who are good at OFFICE ACCESS.I hope they can help me finish my homework BECOZ I DO REALLY KNOW NOTHING ABOUT IT.

Correct: I want to meet some guys who are good at Office Access. I hope they can help me finish my homework because I really dont know anything about it.
8.I hope I can be lucky always.RP is very necessary!!!!!

Correct: I hope that I will always be lucky.
9.I hope I can have good results in my final exams.

Correct: I hope that I will get good results in all my final exams
10.I want a boyfriend!!! I want a boyfriend!!! I want a boyfriend!!!

hahaha good luck  I hope that you will find a very suitable boyfriend that will make you very happy have a great day