1. A promising new drug has been discovered by our R & D departmen . 2. The inflation rate was gone down by 0.5% last month. 3. This line was created by one of our best young designers. 4. I‟m sorry, that can`t be done by us . 5. ---Something very interesting happened to me last week. --- 6. More than a million dollars is being spent on advertising this year by us. 7. This payment may not be authorized by the Accounts Department. 8. ---I worked as a consultant for four years after my MBA. --- 9. The problem is being investigated by them.