Необходимо перевести диалог в косвенную речь ( язык)​

1.He went to London last year He went to London last year, didn`t he?
Did he go to London last year?
When did he go to London?
Did he go to London last year or last month?
Who went to London last year?  

2.She speaks three foreign languages
Does she speak three foreign languages?
Does she speak three or five foreign languages?
Who speaks three foreign languages?
How many foreign languages dose she speak?
She speaks three foreign languages, doesn`t she?  

3.I have already written the article I have already written the article, haven`t I?
Have I already written the article?
Have I already written the article or the story?
Who has already written the article?
What have I already written?

Thank you _for___ your _letter___ of 15 May, ___in__ which you enquire _about__ peripherals. We are __glad__ to hear that there is a __demand___ for the goods _of___ this type __in___ St. Petersburg. We are _sending___ our price list and terms of _???___.
As you will notice, our prices are extremely __low__, and we hold a wide __range___ of all models. We can promise delivery __during__ two weeks.
Your __?any?__ answer will be ___?suitable?___ and we _look forward to doing business __with__ you.
sincerely,