英语：请问该怎么对括号内的内容用特殊疑问词来问?

英语：请问该怎么对括号内的内容用特殊疑问词来问?
1.she (is playing computer games) in her room
2.(Jack )is showing his friends around the park.
3.Their classroom is (on the third floor).
4.There are (thirty-five )students in our class.
5.(The red building over there) is our shool library.
6.(The rain and the sunshine) make the trees grow quickly.
7.Mary went to beijing on business (last Saturday).
8.They have worked on the computer (for ten hours).
9.Wang lin goes to shool(by bike) every day.
10.(Tom's) computer has been down for a long time.
对括号内的进行提问。