题目

In the middle of town lived an old man.One day he_______ his watch in his own store.It was important to him because it was from his wife.After searching high and low in the _______ for a long while, he _______ to ask for help from a group of children playing outside the store.He promised them that the person who found it would be rewarded(奖赏)._______ this, the children hurried inside the store, went through and around the _______ store, but still could not find the watch. Soon the man felt hopeless and wanted to_______.A little boy went up to him and asked for another chance. The man looke如图，∠1=∠2，要使△ABE≌△ACE，还需添加一个条件是 （填上你认为适当的一个条件即可）．