根据短文回答问题，每空一词。

     My name is Charlie Street. I'm not twelve. I am eleven. I'm not in Grade Eight. I am in Grade Seven.

I'm in Class Two. My teacher isn't Miss Black. My teacher is Mr. Grey. My phone number is 6688469.

1. What is my last name? ______　　

2. How old am I? ______　　

3. What grade am I in? In Grade ______. 　　

4. Who is my teacher? ______ ______. 　　

5. What class am I in? In Class ______.