1.Does Polly leave her home at seven o'clock in the morning?
2.Has Mr.Cheung lived here for seven years?
3.Are they listening to any soft music?
4.Will Kate move to a new place next month?
5.Have you known him since he worked here?
6.Do you speak Putonghua all the time?
7.Were you riding on a bus when the accident happened?
8.Is Brian sleeping comfortably in his bedroom?
9.Did she pay one hundred dollars for the calendar?