change the following sentences into 'yes/no' questions英语
2个回答

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?