Our teacher wasn’t blaming anyone ; he _______ said errors like this could be avoided．

Because of the rise of sea level, some islands will disappear. _____ people of certain countries will have to look for new places to live.

 Once he makes up his mind to do something, he will devote himself _________to it.

We should ________ adjust ourselves to the development of our society.

–I _______ think it’s a northern university. So many restaurants serve northern food.--That’s because the students here are _______ from the north.