________ the right kind of training, these teenage soccer players may one day grow the international stars.

The classroom with windows_____ north wants_______ badly, so we’d better move the students into the classroom next door. 

Before driving into the city, you are required to get your car ____.

He used to ______ games on the Internet, but now he is used to _______ a walk after supper. 

____ the TV play, he got down to ____ his homework.