My room ________very big, but I like it very much.

One-third of the country ________ covered with trees and the majority of the citizens _______ black people.

The only means to achieve success ___ to appeal to arms.

(2013·高考江苏卷)Generally，students’ inner motivation with high expectations from others________essential to their development.

I, who ______ your close friend, will try my best to help you out of trouble.