B. 
C. 
D. 
E. 
F. 
Tom is my friend. He is from_____.
My father is a_____.
—What’s your brother?—He’s a_____.
—Is your uncle a_____?—Yes, he is. | A．Be careful. | B．Oh! |
| A．Dick, your grandpa is a teacher. | B．Is your grandpa a teacher, Dick? |
| A．This is my mother. | B．That is my mother. |
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