Ответ:

1. Have you ever been abroad alone?

2. i haven't bought my own flat yet.

3. She has already met jack

4. i have never did such a stupid thing before.

5. how many books about her has he read so far?

6. Sam has never been to Austria

Ответ:

Have you ever been abroad alone?

I have not bought my own flat jet.

She has already met Jack.

I have never done such a stupid thing before.

How many books about her has he read so far?

Sam has never been to Austria.

Объяснение: