We need at least eight __hours'___ (hour) sleep .
I will have a chance of __achieving___(achieve) my dream.
I will have a chance __to achieve___(achieve) my dream .
We need at least eight _____ (hour) sleep .
I will have a chance of _____(achieve) my dream.
I will have a chance _____(achieve) my dream .
求帮助~~ ：）