1.There will be a tall building in the center of the city.
2.Who often does some housework after supper?
3.Where does Mr.White live?
4.What is Jane doing?
5.What colour is her skirt?
6.How high is the hill?
7.Does he want to go swimming?
8.Both his father and mother aren't doctors.
9.How often does he play baketball?
10.There is something strange in this hjouse,isn't there?