题目内容：

语法填空

Once a group of 50 people was attending a meeting. Halfway through his talk, the speaker stopped and decided 1. (create) a group activity. He went around the hall and gave each person a balloon (气球). Each one was asked to write his or her name on the balloon 2. (use) a marker pen. Then all the balloons 3. (collect) and put in another room.

The speaker then asked the group to find the balloon which had their name 4.(write) on within five minutes. Everyone was 5. (hurried) searching for their name, bumping (撞) into each other, pushing each other around. At the end of the five minutes, no one could find 6. (they) own balloon.

Now each person was asked to randomly (随便地) collect a balloon and give it to the person 7.name was on it. Within two minutes everyone had their own balloon. When everyone quieted down, the speaker began to talk, saying that this is exactly 8.was happening in our life. Everyone is busy looking for happiness, 9. not knowing where it is.

Our happiness sometimes lies 10. the happiness of other people. Give them their happiness and you will get your own.