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阅读对话，填入适当的单词，每线—词
The little ducklings and Mother Duck live in a beautiful pond in Xixi Wetland Park(西溪湿地公园). One day, they see some ducks flying. Listen! What are Little(L. D. ) and Mother Duck(M. D. ) talking?
L. D. : Mummy, look at those ducks. They can f so high.
M. D. : Oh, baby. They are not ducks. They are wild g.
L. D. : W are they from?
M. D. : They come from the n.
L. D. : W do they come here? This is our home.
M. D. : It is winter now. So it is very c there. They cannot find enough food. So when winter comes, they must change their homes.
