题目内容：

语法填空。

阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式。

There was a boy who was sent to a boarding school. He used to be 1. brightest student in his class. He was at the top in every 2. (compete). But things 3. (change) when he came to the new school. His grades started dropping and he was lonely all the time. He felt he was worthless and4. no one loved him.

His parents began to worry,  5. they did not know what was wrong. So his dad decided to visit the school and have a talk 6. him.

They sat on the bank of the lake near the school. The father started asking 7. some questions about his classes, teachers and sports. Then he asked, “Do you know, son, why I am here today?”

The boy said, “8. (check) my grades?”

“No, no,” his dad replied, “I am here to tell you that you are important for me. I want to see you happy. Nothing could be 9. (value) than your happiness. You are my life”

The boy felt confident in his study again. He knew there was someone on the earth 10._cared for him deeply. He meant the world to someone.