A: I hope China does really well in the Olympics.

　　A: 我希望中国在奥运会上取得好成绩。

　　B: I'm sure it will. The host nation always performs well. And there are so many good athletes in China.

　　B: 我想一定能。东道主总是表现良好。再说中国有那么多优秀的运动员。

　　A: I wonder how many gold medals China will win.

　　A: 我想知道中国能夺得多少块金牌。

　　B: Remember, silver and bronze medals are important too!

　　B: 记住，银牌和铜牌也很重要！

　　A: You're right. Anyway, the most important thing is to compete well.

　　A: 你说得对。无论如何，最重要的是好好比赛。

　　B: I'm sure everyone will do their best.

　　B: 我肯定每个人都将竭尽全力。

　　Notes：

　　1、Remember how to use I wonder . . . / I wonder . . . when you think or speculate about something, e.g. I wonder how many gold medals China will win / I wonder how many gold medals China will win; I wonder if it will rain tomorrow / I wonder if it will rain tomorrow.

　　记住当你思考某事时用I wonder . . . / 我想知道 . . .。例如I wonder how many gold medals China will win /我想知道中国将夺得多少块金牌； I wonder if it will rain tomorrow/ 我想知道明天是否会下雨。

　　2、In international competitions, you talk about the host nation / host nation and the host city / host city, e.g. In 2008, China is the host nation of the Olympics / In 2008, China is the host nation of the Olympics; London will be the host city in 2012 / London will be the host city in 2012.

　　关于国际比赛，你可以谈论host nation /东道主和host city /主办城市。例如In 2008, China is the host nation of the Olympics/在2008年中国将主办奥运会； London will be the host city in 2012 /伦敦将是2012年奥运会的主办城市。