One third of the country________covered with trees and the majority of the citizens________black people. 

This is my twin sister Lucy. Each of us_________ good at drawing.

One of the girls ________ from Hong Kong.

. The Olympic Games in the year 2008___ in Beijing of China, which  known to us all.

 —Is this your family?—Yes, it is. These are my parents and those　_____　my brothers.