Поставить вопросы ( 1 общий, 8 специальных, 1 альтернативный, 1 хвостатый): my sister is picking up red apples in our garden now

Is my sister picking up red apples in our garden now?
What apples is my sister picking up in the garden?
Who is picking apples in the garden?
Where is my sister picking up red apples?
When is my sister picking up red apples?
What colour of apples is my sister picking?
What is my sister doing now?
Whose sister is picking up apples in the garden now?
Is my sister picking up red apples or pears in our garden now?
My sister is picking up red apples in our garden, isn't she?