Prepare For Toefl listening test

I am listenning Mr Qiu's class now.He teach us Toefl listenning ,when I hear his class , I think that my English is so poor that ,America is far from me.

I have a dream , study in harvard and work in google.

My family is poor, I am 21 years old. Adult must earn his life by himself.If I want to study abroad,I should study hard. I am so clever that I can do the best!