Who is a doctor?Which grade is she in?Where is his book?How do they like cheese?Where does his brother work?What day is it today?What colour is her coat?there are twenty-five boy students in his class.
________
she goes to bed at ten in the evening,
________________
我补充了3个How many boy students are there in his class?
When does she go to bed?

上面补充的三个答案分别是：
Where is he from ？
What are the chldren doing?
What is Li Mei?