请把下面几个句子翻译成英文

1.来自世界各地的选手为奖牌而竞争（competitior；take part in；compete；medal）
All the competitiors from around the world take part in to compete for the medal.

2.希腊，首都是雅典，是”四大文明古国”之一．（Greece；Athens；ancient）
Greece, which capital is Athens, was a one of the Four Ancient Civilisations.

3.现在，这个世界上不再有奴隶．（nowadays；slave）
Nowadays, there's no slave anymore in the world.

4.为运动员们做好服务是志愿者们的职责．（volunteer；responsibility；athletes）
To serve the athletes well is the responsibility of volunteer.

5.尽管没经允许进入体育馆挨了罚，我们认为这也值得（fine；stadium；deserve）
It's fine for us to deserve the punishment for we got into the stadium without the permission.

6.他们张贴了许多海报来宣传他们的产品．（poster；advertise）
They published many poster to advertise their products.

7.在我们的祖国举办奥运会是多么荣耀的一件事（host；homeland；glory）
It's a glory for our homeland to be an Olympic Games host country.

8.我们和负责销售的那个人讨价还价了很长时间．（bargain；in charge）
We bargained a while with the person who in charge sale.

9.身体的残疾给他带来这么多的痛苦．（physical；pain）
The physical problem bring him a lot of pain.