On snowy days, you have to drive very ________ to avoid traffic accident.

My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive .

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

When the expression first came into being, people refused （拒绝）to use it but _____ they began to accept it. 

Though brought up in Los Angeles, Steven Davidson spent his whole life      in New York．