Заполните пропуски возвратными местоимениями, где это необходимо.
All our friends enjoyed at his birthday party.
Polly and Nancy, help to sweets and juice.
She got up, washed and left the house without disturbing anyone.
Relax when you dance.
Who went with her?-Nobody. She went by
He feels not well today
We didn't know who that young guy was. He didn't introduce
I often speak to when I'm in bad mood and alone
Concentrate if you don't want to fail your exam.
I'm not angry with him. I'm angry with
They never think about other people. They only think about

All our friends enjoyed themselves at his birthday party.

Polly and Nancy, help themselves to sweets and juice.

She got up, washed herself and left the house without disturbing anyone.

Relax yourself when you dance.

Who went with her?-Nobody. She went by herself

He feels not well today

We didn't know who that young guy was. He didn't introduce himself

I often speak to myself when I'm in bad mood and alone

Concentrate if you don't want to fail your exam.

I'm not angry with him. I'm angry with myself

They never think about other people. They only think about themself.

1 enjoyed themselves

2 Polly and Nancy, help yourselves = угощайтесь. Там запятая, обращение к девочкам

3 washed herself

4 relax yourself / yourselves = обращение к 2м лицам: либо ты, либо вы

5 went by herself

6 feels - - not well

7 didn't introduce himself

8 I often speak to myself

9 concentrate - - -

10 angry with myself

11 they think about themselves