What:什么
What is this?这是什么?
Where：哪里
Where is the restroom?洗手间在哪里?
Who：谁
Who is she?她是谁?
Whose：谁的
Whose shoes are they?这是谁的鞋子?
Why:为什么?
Why is the sky so high?为什么天空那么高?
How:怎（么）样
How do you say "请" in English?"请”用英语怎么说?