Переведите эти вопросы в косвенные:

1) How did you investigate the case?

2) Who witnessed the robbery?

3) What evidence did you collect?

4) Who were the bank robbers?

5) Why did tou suspect them?

He wondered how I had investigated the case.

The policeman wanted to know who had witnessed the robbery.

He asked us what evidence we had collected.

I wanted to know who the bank robbers had been.

She wondered why he had suspected them.