2.Suppose (假设) you want to be a volunteer for the Beijing Olympic Games. Make a speech for that.

If I want to be a volunteer for the Beijing Olympic Games,I will do some preparation for it from now on.
I will try my best to learn English now.Because I think I can give some help to the foreigners from many countries.And I'm going to protect our environmental.It will make Beijing more beautiful.
But no matter who I am, the Beijing Olympic Games can be done successfully is always my dream.

最后一句对否不太确定