Ответ: task 2  

1 On

2 at

3 on

4 at

5 on

TASK 1

2 aren't

3 aren't

4 isn't

5 isn't

6 isn't

7 aren't

8 isn't

9 isn't

10 I'm

Объяснение: Писал сокращенно, но думаю поймёшь

Ответ:

Task 1:

2) You aren't late.

3) Betty and I aren't friends.

4) The parrot isn't in the cage.

5) Alan isn't German.

6) My mobile phone isn't new.

7) We aren't twins.

8) Mr.Jakes isn't English teacher.

9) Lily isn't home.

10) I'm not twelve.

Task 2.

1) on

2)at

3)on

4)at

5)on