题目

Many countries celebrate Father’s Day on the third Sunday in June. _______ do people celebrate Father’s Day? Some buy their dad a gift. It may be _______ to wear or a special treat.Others take their dad _______ for a meal. Some people like to plan an activity. Then the family can spend time with their dad.Why is there a _______ day for father? Because fathers are important. They work _______ their families can have food, clothes and a place to live. Fathers _______ their families and keep them safe, too. Fathers are also teachers. They teach their children to _______ good decisions. Good f如果执行如图的程序框图，那么输出的s是    ．