Раскройте скобки, употребляя глаголы в одном из следующих времен: present perfect, present perfect continuous. 1. they (to work) there for already three hours. 2. they (to play) since break-fast time. 3. she already (to do) her homework for two hours; but she (not yet to do) half of it. 4. i (to wait) for you since two o'clock. 5.i already (to read) sixty pages. 6. he (to write) books since he was a young man. he al¬ready (to write) eight books. 7. today she (to help) her mother since morning. they already (to wash) the floor and (to dust) the furni¬ture. 8. you (to find) your note-book? — no! i still (to look) for it. i already (to look) for it for two hours, but (not yet to find) it. 9. you (to play) with a ball for already three hours. go home and do your homework. 10. wake up! you (to sleep) for ten hours already.
