1.When did they build this house?
2.why Sue doesn't work?
3.what time your friends will come?
4.why did the cancel the concert?
5.why you did not come to the party?
6.how did happen the accident?
7.why doesn't woreally this machine?
8.what did you buy at the shops?
9.where your parents at the moment?
10.when will you see her?
11.how do you come to school?
12 whose that is car?
13.why did you go to Germany?
14.do you often go to the cinema?
15.did he eat meat? He never ate meat because he doesn't like it.