Ответ:

1)1.Because there were not elephants around

2.The bird looked for the other elephants

3.Because the elephant bever forget friends

4.a

4)One day I saw an elephant.There weren't other elephants and the elephant looked upset.Suddenly I realized what the problem was.I flew high into sky and looked for the other elephants.I saw them near a river and went back to the elephant.I said:"Come with me".I flew in front and the elephant followed.Finally the elphant joined the others near the river and I left them.