1.—If there are____ people driving, there will be____ air pollution.

—Yes, the air will be fresher.

A. less; less          

B. fewer; less

C. less; fewer          

D. fewer; fewer

2. Three years ago, Tom ____ soccer, but today he____. He _____ basketball in three years.

 A. played; doesn’t play; will play   

B. played; don’t play; will play

 C. plays; won’t play; will play     

D. played; doesn’t play; plays