对划线部分提问。
1. She has a medium build.
______ _______ she _______ _______?
2. I would like green tea.
_______ _______ you _______?
3. There are fifty students in the classroom.
_______ _______ students are there in the classroom.
4. She usually does homework at ten o'clock.
_______ _______ she usually do homework?
5. Tom is reading a book now.
_______ _______ Tom _______ now?