nt research shows smoking and drinking ________ with your body’s ability to process oxygen, thus greatly affecting your health.

I can’t stop playing the computer games. — For your eyes, my boy, I’m afraid you ________.

Last week, only two people came to look at the house, __________ wanted to buy it.

He is a great scientist and all of us___________him. [ ]

The driver should be punished! He shouldn’t _______________ running red lights.