20 вопросов When John saw Mary she was walking in the

Помогите, если кто знает.

When did John see Mary?1
Who did John see?2
Who saw Mary?3
Where did John see Mary?4
What was Mary doing when John saw her?5
Where was Mary walking?6
Who was walking in the Central Park?7
When John saw Mary, she was walking in the Central Park, wasn't she?8
In what park was Mary walking?9
John saw Mary, didn't he?10