题目内容：

根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺。

Dear Bob,

My name is Rich .I’m fourteen    1.   old. I’m studying in a middle school. My school is nice and clean. There are 30 students in my class. It’s    2.  today. My classmates and I are    3. a good time on the beach. It’s a nice place .The water is blue and clear. Many birds   4.   flying over the sea. Many people are    5.  in the sea. Some boys are   6.   football. Some people are lying   7.  the beach. A girl is    8.  a book on a chair .Another girl is    9.  photos. I   10. writing to you! What are you doing?

I hope you can write to me soon.

Best wishes!

Rich