решить. Present perfect и present continuous.

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.

3.

1) i’ve tidied up my room
2) she’s eaten candy floss
3) he’s gone souvenir shopping
4) we’ve read this book
5) they’ve travelled the Europe

4.

a) Harry has done his housework
b) Kate and Bill hasn’t found a new flat yet
c) Nick has just sent an email
d) i’ve tried to learn Japanese
e) Sam and Dave have eaten all the sandwiches
f) has Carlos bought a dog?
g) Maria and Helen have started at a new school
h) Frances hasn’t broken her cup
i) i’ve lost my umbrella
Max has taken the dog for a walk

5.

b) just
c) already
d) for
e) ten years ago
f) yet
g) since