补全对话。
A：Look the picture , please . What can you in the picture ?
B：I can a hill . There some trees on it .
A：Can you see the birds them ?
B：No , they’re flying in the sky . And are some Young Pioneers in the picture , too .
A：Yes , they are the students of No. 14 Middle School .
B：Is their teacher them ?
A：Let me have a . Yes , there is a among them . He’s Mr. Wang , their Chinese teacher .
B： a nice picture it is !
