_____ do you usually come to school —By bike.

23A salty diet may increase the risk of stomach cancer ________ 10 percent, South Korean researchers found in a study of more than 2 million people

Jenny likes hamburgers, I don’t like them. I think it’s bad for health.

Must I go to medical school and be doctor like you，Dad— No, you __________, son. You’re free to make your own decision.

_______ didn’t attend the lecture yesterday won’t be given full marks