People will come from all over the world.
人们将从世界各地来到这里。
A The Asian Gamess will be very exciting.
A 广州亚运会将非常激动人心。
B Yes, there will be thousands of visitors. Beijing will be so crowded.
B 是的，将有成千上万的观看者。北京将非常拥挤。
A People will come from all over the world. It's such an international event.
A 人们将从世界各地来到这里。这是一个国际性的盛事。
B Yes. From Asia, from Europe, from America ...
B 是的，人们从亚洲、欧洲、美洲来...
A From Australia, from Africa ...
A 从澳洲，从非洲来...
B They will come from everywhere!
B 从每一个地方来！

Notes注释
1 When you talk about where people are from, you can talk about the whole world, or continents: from all over the world / from all over the world: from Asia / from Asia : from Europe / from Europe : from America / from America : from Australia / from Australia : from Africa / from Africa : from everywhere / from everywhere.
当你谈论人们来自哪里时，你可以谈论整个世界，或者各个大陆：from all over the world /来自世界各地：from Asia /来自亚洲: from Europe / 来自欧洲: from America /来自美洲: from Australia / 来自澳洲: from Africa / 来自非洲 : from everywhere / 来自每一个地方
2 One reason so many people will come is because it is international: It's such an international event. / It's such an international event.
之所以有这么多的人前来的一个原因是它是国际性的：It's such an international event. /这是一个浩大的国际盛事。

Key phrases and sentences
The Asian Gamess will be very exciting.
Yes, there will be thousands of visitors.
Beijing will be so crowded.
People will come from all over the world.
It's such an international event.
Yes. From Asia, from Europe, from America ...
From Australia, from Africa ...
They will come from everywhere!

广州亚运会将非常激动人心。
是的，将有成千上万的观看者。北京将非常拥挤。
人们将从世界各地来到这里。
这是一个国际性的盛事。
是的，人们从亚洲、欧洲、美洲来...
从澳洲，从非洲来...
从每一个地方来！