ubt, the more one is _______ the foreign language environment, the better he or she will learn the language.

The art centre is _____ used to be a factory, _____ millions of tractors were made

“Onlytwo centimeters higher,break the world record,” encouraged the coach.

About ____ of the earth ____covered with water, but we have less and less available fresh water..

Rose finished her study in the university and went to___ a good job.