读思链接（在横线上填写合适的标志语）
⑴An old man is taking a walk in the park. He can't see the words on the sign. He walks to it. He wants to know what it says. A policeman is shouting to him，“Stop！______________！”
⑵In the hospital，the boys are playing ball games. A nurse comes up to them. She says,“__________，please.”