(-) – отрицательные, (?) – вопросительные
6. (-) Mary isn't drinking coffee and listening to music.
(?) Is Mary drinking coffee and listening to music?
7. (-) Mike isn't telling a story.
(?) Is Mike telling a story?
8. (-) She isn't writing a letter.
(?) Is she writing a letter?
9. (-) Ann isn't working very hard.
(?) Is Ann working very hard?
10. (-) The cat isn't eating its supper.
(?) Is the cat eating its supper?