【简答题】A.Cries of birds are affected by seasons. B.Only some sorts of birds can cry. C.Birds would cry when they meet ers. D.It is easy to tell the singing of a bird from its crying.
【简答题】阅读理解。 It was getting late. There was no noise in the forest. We could only hear the birds singing. And then, a bear-a big brown bear-came into the forest. The bear stopped under a tall tree. He was ve...