Janet as well as the other young people who ____ sent abroad by the government ____ brought up in a small town. 

The number of teachers in our college _____ greatly increased this term. A number of teachers in this school _____ from the countryside.

(2011·江苏)The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.

–What ___ the number of the students in your school?–About two thousand. A number of them_____ from England.

Not Tom, but I ___to blame for the failure.