1, nutritionists recommend young people to eat more calcium foods.2, since he was ill, he has been a long time not so good appetite.3, I don't want to have any effect on you, so I can't tell you what I think.4, when you are warned of danger, don't risk doing stupid things.5, when listening, students find it hard to distinguish between butter and buttons.There are 6 benefits, eat a variety of foods on human health.7, the two sides can not set a date for a meeting.In 8, he risked in the woods point of smoke.