When he came back three hours later, the...

Tom’s parents are worried that he is__to the computer games which is__to children.

John complained to the bookseller that there were several pages______in the dictionary.  

When I talked with my grandma on the phone, she sounded weak, but by the time we ______ up , her voice had been full of life. 

  success of Zhu Zhiwen’s singing has been   great honour to his hometown.

假如你是某外国语学校高三学生李华。近来，你发现很多同学课间休息时间坐在教室里学习。请你根据以下提示，用英语写信给校长反映这一问题，并呼吁同学们注意学习效率。

1. 反映问题；

2. 你的看法；

3. 你的建议(至少两点)。

注意：

1. 词数100-120；

2. 文中不得提及人名、校名及地名；

3. 信的开头已为你写好（不计入总词数）。

Dear Sir,

I am Li Hua, a senior 3 student in your school. I’m writing to tell you about a problem. __________________________________________________________________________________