Раскройтескобки, употребляя present perfect или present perfect continuous. 1. i (to translate) this article for about an hour and (to translate) the first page. 2. i know what you (to work) on the last days. you (to discover) any facts? 3. they (to discuss) the case for hours but (to be) unable to come to any decision. 4. you (to read) too many mystery stories of late. they (to give) you ideas? 5. she (to try) all kinds of medicines for years but nothing (to be) of any use. 6. again she (to tell) you the gossips. the things you (to hear) are quite impossible. 7. i (to tell) you so for years but you never (to pay) attention. 8. they (to take) her from one specialist to another since she was a baby but it (not to help). 9. they (to advertise) their machines since may but they (not to get) any orders yet.

1. I have been translating this article for about an hour and have translated the first page. 2. I know what you have been working on the last days. Have you discovered any facts? 3. They have been discussing the case for hours but have been unable to come to any decision. 4. You have been reading too many mystery stories of late. Have they given you ideas? 5. She has been  trying all kinds of medicines for years but nothing has been of any use. 6. Again she has been telling you the gossips. The things you have  heard are quite impossible. 7. I have been telling you so for years but you have never paid attention. 8. They have been taking her from one specialist to another since she was a baby but it (not to help). 9. They (to advertise) their machines since May but they have not got any orders yet.