Ответы и объяснения

How did you do it yesterday?
With whom did you go there yesterday?
When did she go there ?
Where did he swim last summer?
Why did Tom go to the country last year?
What dress did Kate buy 3 days ago?
Where did she take this thing yeaterday?
What did she cook for breakfast last week?
Who did John see ? 
Who saw John ? 
Who has got a Jaguar ? 
Who can swim in this class ?
Who speaks German here ?
Who came las night ?
What is Travelling for you ?
Where have you been ?
When does he go to bed ?
How has she passed her exams ?