Тут надо исправить ошибки в 3,6,7,8,10 предложениях, заранее спасибо 

3. once
upon a time there was a boy who….

6. how long
does it take you….

7. will she
be busy next week….

8. I think
they will be at the stadium….

10. what
film did he see yesterday

3) вместо it was –
there lived


6) How long does it take you
to wash up?


7) Will she be busy?


8) I think they will be…

10) What film did he see yesterday?