今天是我18岁生日,我应该写点什么了.我已经18岁了.这两句用英语怎么说

首先希望在学习英文的过程中能够快乐乐的,学到自己真正喜欢的东西,其实这两句话很简单的.
你的这个我觉得用这个语境比较好,强调自己对十八岁的激动和对生活的憧憬：Today is my 18th birthday,so I think I should write something for it cause I am already 18.

Today is my 18th birthday,so I think I should write something for it,
I am 18 years old

今天是我18岁生日，我应该写点什么了。
Today is my 18th birthday, I should write something.
我已经18岁了。
I am already 18.

It is my birthday today, I am 18 years old now. I should write something for it.

I'm 18 years old now,today is my birthday and I think I should wirte something.

It is my 18th birthday today, I shall write something. I am already eighteen.

Today is my birthday of eighteen,I think I should do some written.I am already eighteen now.

今天是我18岁生日，我应该写点什么了
Today is my 18th birthday,i should write something
我已经18岁了
I'm 18 years old

Today is my 18th birthday. I shall write down something to remember this sweet day. I am 18 years old now.

I reach eighteen of age today. It's my birthday today. What should I write? I am already eighteen.

Today is my 18th birthday,I should have a terms &
I'm 18 years old

Today is my 18th birthday,I should have a terms &
I'm 18 years old GAME OVEY

我觉得楼主是要一些夸张点的语气吧》？
today,my 18th birthday,i must spill some words. i've already been 18!