Ответ:

1.I am a boy.

2. We are from Karagandy

3.You are a girl

4.Aru and Alibek are eleven years old.

5.Kazahstan is a big country

6.Andrej is from Ljubljana in Slovenia.

7. You are my friends.

Мне кажется тут есть ошибки:

Andrej;

Ljubljana;

Friends.

Надеюсь правильно;((