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　　My name is Bill. I'm ____(1)____ American boy. I'm twelve. I'm a student of a middle school. I'm in Class 4, Grade l. ____(2)____ 44 students in our class.

　　Li Lei is my friend. We are in the same class. He is eleven. Here's a picture of ____ (3) ____ family. ____ (4) ____ look at it. The policeman on the chair is his father. His mother is a teacher of Chinese. These are his twin sisters. They have a cat. ____ (5) ____ name is Mimi. Look! It's ____ (6) ____ the floor under the table. ____ (7) ____ twins are middle school students, too. They are in the ____ (8) ____class. How many ____ (9) ____ students are there in their class? There is only ____ (10) ____