选择方框中适当的选项补全对话。 A: What are you doing?
B:  I"m reading a letter from my pen pal.
A:     1  
B：A girl.
A:  What nationality is she?
B：    2  
A:  What does she look like?
B：    3  
A:  Is she tall?
B：    4  
A：Look at her photo.
B:  Oh, she"s good-looking and a little thin.     5  
A：Only a little A.  She has curly hair and medium height.
B.  Can she speak Chinese?
C.  Is your pen pal a boy or a girl?
D.  She’s an American.
E.  No, she isn’t.