1 when was this house built? 2 how is cheese made? 3 When was the computer invented? 4 why isn't Sue working today? 5 what time are your friends coming? 6 why was the concert cancelled? 7 where was your mother born? 8 why didn't you come to the party? 9 how did the accident happen? 10 why doesn't this machine work?
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1 when was this house built?2 how is cheese made?
3 When was the computer invented?
4 why isn't Sue working today?
5 what time are your friends coming?
6 why was the concert cancelled?
7 where was your mother born?
8 why didn't you come to the party?
9 how did the accident happen?
10 why doesn't this machine work?