—Chinese people are worried about the food they eat these days.—Yes, the food safety is a serious         in our country. We should try to solve it.

I haven’t had enough _______recently, so I’m always _______all day.

—         is it from your school to the nearest park？ — About ten minutes’ walk.

 —_____ do you go to the cinema?   — Once a month.

—Could you tell her to call me ?—Sure.