1. but he hasn't done his english yet)2. stuart has been doing hours.(/for)3. he__hasn't /yet)4. melanie has a lot of homework, too. she has been ding_her homework_ since_4 o'clock.5. hasn't flowers in the house_/yet)6. already new verbs.(for/already)7. 't drawn_ __the picture__t/yet)8. daniel and melanie__have already .(alreade/since).
